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At certain location in the northern hemi...

At certain location in the northern hemisphere, the earth's magnetic field has a magnitude of `42 muT` and points down ward at `57^(@)` to vertical. The flux through a horizontal surface of area `2.5 m^(2)` will be- `("Given "cos 33^(@)=0.839, cos 57^(@)=0.545)`

A

`42xx10^(-6) Wb//m^(2)`

B

`42xx10^(-6) Wb//m^(2)`

C

`57xx10^(-6) Wb//m^(2)`

D

`57xx10^(-6) Wb//m^(2)`

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