When its coil rotates at a frequency of 294 Hz, a certain generator has a peak e

Question

When its coil rotates at a frequency of 294 Hz, a certain generator has a peak emf of72 V. (a) What is the peak emf of the generator when its coilrotates at a frequency of 41 Hz?

(b) Determine the frequency of the coil's rotation when the peakemf of the generator is 175 V.
When its coil rotates at a frequency of 294 Hz, a certain generator has a peak emf of72 V. (a) What is the peak emf of the generator when its coilrotates at a frequency of 41 Hz?

(b) Determine the frequency of the coil's rotation when the peakemf of the generator is 175 V.

Explanation / Answer

U=-d/dt Peak emf U=B*S*. so U/f=U'/f' a) U=72/294 *41=10(V) b) f'=U'/U *f=175/72 *294=715(Hz)

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