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The Earth's magnetic field at some place...

The Earth's magnetic field at some place on magnetic equator of Earth is `0.5 xx 10^(-4)T.` Consider the radius of Earth at that place as 6400 km. Then, magnetic dipole moment of the Earth is ....`Am^(2)` `(mu=4pixx 10^(-7)TmA^(-1))`

A

`1.05 xx 10^(23)`

B

`1.31 xx 10^(23)`

C

`1.15 xx 10^(23)`

D

`1.62 xx 10^(23)`

Text Solution

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The correct Answer is:
B
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