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Two concentric coils each of radius equa...

Two concentric coils each of radius equal to `2 pi cm` are placed at right angles to each other ` 3 ampere and 4 ampere` are the currents flowing in each coil respectively. The magnetic induction in `weber//m^(2)` at the centre of the coils will be
`( mu_(0) = 4 pi xx 10^(-7) Wb// A.m)`

A

`5 xx 10^(-5)`

B

`7 xx 10^(-5)`

C

`12 xx 10^(-5)`

D

`10^(-5)`

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The correct Answer is:
A
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