The voltage of an AC source is given by the equation v=180sin377t where v is the instantaneous voltage and t is in seconds. (a) what is the rms value of the voltage? (b) what is the frequency of the ac source? (c) if this voltage is connected to a 40 ohm resistor, find the equation that describles the current I as a function of time.(adsbygoogle = window.adsbygoogle || []).push({});

My Work:

Vrms= Vpeak/(sq rt)2

180sin377t/(sqrt)2

=1.6t/(sqrt)2

=1.13t

I=V/z

1.6t/(sqrt)2/40

=.028t

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# Homework Help: AC sources

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