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Q7.1 (b)  100W resistor is connected to a 220\: V50Hz ac supply.

 What is the rms value of current in the circuit?

Answers (1)

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Given, 

RMS Voltage in the circuit V_{rms}=200V

Resistance in the circuit R=100\Omega

Now,

RMS Current in the circuit:

I_{rms}=\frac{V_{rms}}{R}=\frac{220}{100}=2.2A

Hence, the RMS value of current is 2.2A.

Posted by

Pankaj Sanodiya

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