

MCQOPTIONS
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1. |
A slid cylindrical conductor of radius R has a uniform current density I. The magnetic filed H inside the conductor at distance r from the axis of the conductor is |
A. | \(\frac{I}{2πr}\) |
B. | \(\frac{I}{4πr}\) |
C. | \(\frac{I~r}{2πR^2}\) |
D. | \(\frac{I~r}{4πR^2}\) |
Answer» D. \(\frac{I~r}{4πR^2}\) | |