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A uniform magnetic field along a long cy...

A uniform magnetic field along a long cylindrical rod varies with time as `(B = alpha t)`, where `alpha` is positive constant. The electric field inside the rod as a function of radial distance r from the central axis is proportional to

A

A. `r^2`

B

B. 1/r

C

C. `1/r^2`

D

D. None of these

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
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