Question: A magnetic field increases from 0 to 0.55 T in 1.6 s. How many turns of wire are needed in a circular coil 12 cm

A magnetic field increases from 0 to 0.55 T in 1.6 s. How many turns of wire are needed in a circular coil 12 cm in diameter to produce an induced emf of 9.0 V?

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