Read through the course notes. The course note files may also contain links to associated animations or interactive simulations.
Read sections 3.5 through 3.9:
Electric Potential (PDF)
Read through the class slides. They explain all of the concepts from the module.
Do the Concept Questions first to make sure you understand the main concepts from this module. Then, when you are ready, try the Challenge Problems.
Watch the Problem Solving Help video for insights on how to approach and solve problems related to the concepts in this module.
A long metal cylindrical rod of radius a is surrounded by a thin cylindrical metal shell of radius b. The inner cylinder carries positive charge per unit length λ and the outer shell carries a negative charge per unit length –λ. Calculate the potential everywhere.