What rms voltage is required to produce an rms current of 2.1 A in a 66-mH...

Question

Question

What rms voltage is required to produce an rms current of 2.1 A in a 66-
mH inductor at a frequency of 25 Hz?

Answer 1

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Answer #1

Given that

rms current Irms = 2.10 A

L = 66 x 10^-3 H

frequency f = 25 Hz

Impedance in the circuit is

Z = 2πfL

So RMS voltage in this circuit is

Vrms = Irms Z

= Irms (2πfL)

= (2.10 A)(2π(25 Hz)(66 x 10^-3 H))

= 21.77 V

Answer 2

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