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A closely wound rectangular coil of 95.0 turns has dimensions of 23.0 cm by 41.0 cm...

A closely wound rectangular coil of 95.0 turns has dimensions of 23.0 cm by 41.0 cm . The plane of the coil is rotated from a position where it makes an angle of 30.0 ∘ with a magnetic field of 1.50 T to a position perpendicular to the field. The rotation takes 7.00×10−2 s .

What is the average emf induced in the coil?

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Answer #1

Emf induced = rate of change of flux

= NAB (sin theta1- sin theta2)/t

=95*0.23*0.41* 1.5 *( sin 90 degree - sin 30 degrew)/0.07

= 95.98 V Answer

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