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An armature coil consists of 20 turns of...

An armature coil consists of 20 turns of wire each of area `A = 0.09 m^(2)` and total resistance 15.0 ohm. It rotates in a magnetic field of 0.5 T at a constant frequency of `(150)/(pi) Hz`.
Calculate the value of (i) maximum and (ii) average induced e.m.f. produced in the coil.

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