A Long Straight Cylindrical Shell Carries Current I Uniformly Distributed

question 3

Multiple Choice

A long straight cylindrical shell carries current i uniformly distributed over its cross section.The magnitude of the magnetic field is greatest:

• A)at the inner surface of the shell
• B)at the outer surface of the shell
• C)inside the shell near the middle
• D)in hollow region near the inner surface
• E)near the center of the hollow region

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