A square loop of side a is rotating abou...

A square loop of side a is rotating about its diagonal with angular velocity w in a perpendicular magnetic field as shown in the figure. If the number of turns in it is 10 then the magnetic flux linked with the loop at any instant will be–

`10Ba^(2) cos omegat`

`10Ba`

`10Ba^(2)`

`20Ba^(2)`

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