Calculate the peak current in a 3.0?k? resistor connected to a 220-V rms ac source. Ipeak=...

Question

Question

Calculate the peak current in a 3.0?k? resistor connected to a 220-V rms ac source.

Ipeak= _________A

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Answer 1

Answer #1

Vrms = V/sqrt(2)

So, V=Vrms*sqrt(2) = 220*sqrt(2) = 311.13V

Ipeak = V/R = 311.13/3000 = 0.1 A

Answer 2

Answer #2

Peak voltage = 220 * sqrt(3) V
So peak current = 220 * sqrt(3) V / 3 kOhm = 127.010 mA.

Answer 3

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