 Faraday's Law
 Electric Generators
 Lenz's Law and Faraday's Law
 More on Faraday's Law
 Alternating Current and Motors
 Motional EMF
 Induced Electric Field
 Eddy Currents
 Problem Solving: Faraday's and Lenz's Law
 Induction in a Pie Wedge
 Induction by Increasing Current in an Infinite Wire
 Induction by Changing Loop Area
 Sliding Rod Circuit
 Motional EMF Near an Infinite Wire
 Induction by Changing Magnetic Field
 Induction Near an Infinite Wire
 Qualitative Induction Questions
 Sliding Bar with a Battery
 Sliding Bar on Wedges
 RC Circuit in a Magnetic Field
 Rotating Bar in a Magnetic Field
 Rectangular Conducting Loop Pulled Across a Magnetic Field
 Bar Magnet Pulled Through a Conducting Loop
 Electric Generator Dimensions
 Plotting Induction in a TimeVarying Magnetic Field
 Pulling a Square Conducting Loop Across a Magnetic Field
 Falling Loop in a Magnetic Field
 Force on a Loop Moving Near a Magnet
 Faraday's Law Questions
 Power Lines
 Conducting Rail
 Loop Falling Through Magnetic Field
 Melting Iron Nail
 The Levitating Ring
 The Suspended Ring
 The Falling Ring with Finite Resistance
 The Falling Ring with Zero Resistance
 The Levitating Magnet
 The Suspended Magnet
 The Falling Magnet with a Finite Resistance Ring
 The Falling Magnet with a Zero Resistance Ring
 Creating a Magnetic Field
 Destroying a Magnetic Field
 The Falling Coil Applet
 The Falling Magnet Applet
 Magnetic Inductance
 Magnet Floating Above a Superconductor
Faraday's Law

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
Interactive applet in which a conducting ring and a bar magnet can be moved toward or away from one another, leading to an induced current and magnetic field for the ring.
 Interact with a Java Simulation
Interactive applet showing the induced current and magnetic field when the size and rotation of a conducting ring in a uniform magnetic field are changed.
 Interact with a Java Simulation
Electric Generators

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
Illustrative example of an electric generator using a conducting loop rotated in a uniform magnetic field.
 Read chapter 10, pages 123 of online textbook
For an electric generator composed of a current coil rotating in a uniform magnetic field, find the maximum induced current and the power. Solution is included after problem.
 Complete practice problems on page 33–5
Lenz's Law and Faraday's Law
Loops moving in uniform and nonuniform Bfields; induced EMF and Lenz's Law; Faraday's Law.

8.022 Electricity and Magnetism, Fall 2004
Prof. Gabriella Sciolla
Course Material Related to This Topic:
Introduction to Faraday's Law for calculating the induced current in an area of changing magnetic flux; includes calculation of flux and use of Lenz's Law to determine the current direction.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Read chapter 10, pages 27 of online textbook
More on Faraday's Law
General proof of Faraday's Law; applications to dropped and levitating rings; relativity; connection to Maxwell's equations.

8.022 Electricity and Magnetism, Fall 2004
Prof. Gabriella Sciolla
Course Material Related to This Topic:
Alternating Current and Motors
Creating EMF by changing area, angle, B; alternating current; changing magnitude of B.

8.022 Electricity and Magnetism, Fall 2004
Prof. Gabriella Sciolla
Course Material Related to This Topic:
Motional EMF
Description of the physical processes which produce an EMF when a conductor moves in a magnetic field.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Read chapter 10, pages 710 of online textbook
Induced Electric Field
Introduces the concept of a nonconservative induced electric field associated with the induced EMF due to changing magnetic flux.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Read chapter 10, pages 102 of online textbook
Eddy Currents
Qualitative description of the eddy currents induced in solid sheets of conductors.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Read chapter 10, pages 145 of online textbook
Problem Solving: Faraday's and Lenz's Law
Enumerated strategy for keeping the signs straight when solving problems using Faraday's Law and Lenz's Law.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Read chapter 10, pages 167 of online textbook
Induction in a Pie Wedge
A conducting bar is free to slide on a circular track in a uniform magnetic field, making a piewedge shaped loop; find the force and torque on the bar due to electromagnetic induction. Solution is included after problem.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 36 –9
Induction by Increasing Current in an Infinite Wire
Find the magnetic flux and induced EMF in a rectangular conducting loop next to an infinite wire with timevarying current. Solution is included after problem.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 17–9
Induction by Changing Loop Area
Find the average induced current in a conducting loop in a uniform magnetic field as its area is reduced. Solution is included after problem.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 19–20
Sliding Rod Circuit
Find the total power dissipated through two resistors when a conducting rod is pulled along conducting rails in a uniform magnetic field. Solution is included after problem.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 20–1
Motional EMF Near an Infinite Wire
Find the motional EMF in a conducting rod as it moves away from an infinitely long currentcarrying wire. Solution is included after problem.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 21–2
Induction by Changing Magnetic Field
Find the induced EMF, current and power dissipation in a conducting loop perpendicular to a timevarying magnetic field. Solution is included after problem.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 22–3
Induction Near an Infinite Wire
Find the current in a rectangular conducting loop as it moves away from an infinitely long currentcarrying wire. Solution is included after problem.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 23–4
Qualitative Induction Questions
Qualitatively identify induced electric currents in a conducting loop or shell due to changing magnetic flux.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 24–5
Sliding Bar with a Battery
Given a conducting bar free to slide on rails in a uniform magnetic field and connected to a battery, show that the bar accelerates to reach a terminal velocity.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 26
Sliding Bar on Wedges
Given a conducting bar free to slide on inclined rails in a uniform magnetic field, find the induced current through the bar and compare the mechanical power input to the electrical power dissipated.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 26–7
RC Circuit in a Magnetic Field
A conducting loop with a resistor and a capacitor is placed in a timechanging uniform magnetic field; find and describe the maximum charge on the capacitor.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 27
Rotating Bar in a Magnetic Field
Determine the motional EMF within a bar rotating through a uniform magnetic field.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 28
Rectangular Conducting Loop Pulled Across a Magnetic Field
Find and plot the magnetic flux and induced EMF as a conducting loop is pulled into, through, and out of a region of uniform magnetic field; determine the direction of current flow.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 28
Bar Magnet Pulled Through a Conducting Loop
Qualitatively plot the magnetic flux and induced EMF as a bar magnet is pulled through a conducting loop; discuss the forces on the bar magnet and the source of dissipated energy.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 29
Electric Generator Dimensions
Find the magnetic flux and induced EMF as a rectangular conducting loop is rotated in a uniform magnetic field; also calculate dimensions of the loop to tune the voltage produced.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 29–30
Plotting Induction in a TimeVarying Magnetic Field
Plot the induced EMF, current and power dissipation of a conducting loop in a uniform magnetic field that changes in time as plotted.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 30–1
Pulling a Square Conducting Loop Across a Magnetic Field
Find the power delivered as an external force pulls a square conducting loop into, through, and out of a region of uniform magnetic field.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 31
Falling Loop in a Magnetic Field
Determine the the terminal velocity of a square loop falling due to gravity through a magnetic field and show that the power dissipated is equal to the power from gravity.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 31–2
Force on a Loop Moving Near a Magnet
Identify the direction of the force on a wire loop as it moves in the magnetic field of a bar magnet.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 4
Faraday's Law Questions
Identify the direction of induced current, force or torque as conducting loops move in magnetic fields.

8.02 Physics II: Electricity and Magnetism, Spring 2007
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Robert Redwine, Prof. Bruce Knuteson, Prof. Gunther Roland, Prof. Bolek Wyslouch, Dr. Brian Wecht, Prof. Eric Katsavounidis, Prof. Robert Simcoe, Prof. Joseph Formaggio, Andy Neely, Matthew Strafuss, Prof. Eric Hudson, Dr. SenBen Liao
Course Material Related to This Topic:
 Complete practice problems on page 1–5
Power Lines
Why is current transformed to high voltage in power lines?

8.02X Physics II: Electricity and Magnetism with an Experimental Focus, Spring 2005
Dr. Peter Dourmashkin, Prof. Gunther Roland
Course Material Related to This Topic:
 Complete practice problem 2
 Check solution to practice problem 2
Conducting Rail
Rod sits on rails in Bfield; explaining motion of rod with current and without. Solution not included.

8.02X Physics II: Electricity and Magnetism with an Experimental Focus, Spring 2005
Dr. Peter Dourmashkin, Prof. Gunther Roland
Course Material Related to This Topic:
 Complete exam problem 3
Loop Falling Through Magnetic Field
For loop descending through uniform field, finding dφ/dt, induced current, and velocity.

8.02X Physics II: Electricity and Magnetism with an Experimental Focus, Spring 2005
Dr. Peter Dourmashkin, Prof. Gunther Roland
Course Material Related to This Topic:
 Complete exam problem 3
 Check solution to exam problem 3
Melting Iron Nail
A nail connects a circuit enclosing a charging solenoid; finding power, voltage, and current relationships for the nail.

8.02X Physics II: Electricity and Magnetism with an Experimental Focus, Spring 2005
Dr. Peter Dourmashkin, Prof. Gunther Roland
Course Material Related to This Topic:
 Complete exam problem 2
 Check solution to exam problem 2
The Levitating Ring
Video animation showing the induced current and magnetic field in a conducting ring that is falling in the magnetic field of a magnet.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Suspended Ring
Video animation showing the induced current and magnetic field in a conducting ring that is falling underneath the magnetic field of a magnet.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Falling Ring with Finite Resistance
Video animation showing the induced current and magnetic field in a conducting ring that is falling past a magnet.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Falling Ring with Zero Resistance
Video animation showing the induced current and magnetic field in a conducting ring that is falling past a magnet.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Levitating Magnet
Video animations showing the magnetic field around a magnet that is falling towards a conducting ring.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Suspended Magnet
Video animations showing the magnetic field around a magnet that is falling underneath a conducting ring.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Falling Magnet with a Finite Resistance Ring
Animated and live video showing the behavior of a magnet falling through a conducting ring.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Falling Magnet with a Zero Resistance Ring
Video animations showing the magnetic field and behavior of a magnet falling through a conducting ring with zero resistance.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
Creating a Magnetic Field
Video animation showing the creating of a magnetic field by spinning up free charges in a series of five conducting rings.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
Destroying a Magnetic Field
Video animation showing the destruction of a magnetic field by slowing down the free charges in a series of five conducting rings.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Falling Coil Applet
Interactive applet showing the magnetic field and behavior of a ring falling towards a fixed magnet. The resistance of the ring and strength of the magnetic dipole moment can be varied to affect the behavior of the ring.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
The Falling Magnet Applet
Interactive applet showing the magnetic field and behavior of a magnet falling towards a conducting ring. The resistance of the ring and strength of the magnetic dipole moment can be varied to affect the behavior of the magnet as it falls.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
Magnetic Inductance
Live video and animations showing the induced current in a conducting ring as a magnet is brought near it.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation
Magnet Floating Above a Superconductor
Live video and animation of a small magnet levitating above a superconducting disc.

8.02T Physics (Electricity and Magnetism) Labs, Spring 2005
Prof. John Belcher, Dr. Peter Dourmashkin, Prof. Michael Feld, Prof. Eric Hudson, Prof. John Joannopoulos, Prof. Bruce Knuteson, Dr. George Stephans
Course Material Related to This Topic:
 Interact with a Java Simulation