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Assume Earth's surface is a conductor wi...

Assume Earth's surface is a conductor with a uniform surface charge density `sigma`. It rotates about its axis with angular velocity `omega`. Suppose the magnetic field due to Sun at Earth at some instant is a uniform field B pointing along earth's axis. Then the emf developed between the pole and equator of earth due to this field is. (`R_e =`radius of earth)

A

`1/2BomegaR_(e)^(2)`

B

`BomegaR_(e)^(2)`

C

`3/2BomegaR_(e)^(2)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
A
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