Alternating Current · Physics · Class 12

Which of the following statements about a series LCR circuit connected to an ac source is correct?

An alternating voltage of $$220 \mathrm{~V}$$ is applied across a device $$X$$. A current of 0.22 A flows in the circuit and it lags behind the applie...

State the basic principle behind the working of an ac generator. Briefly describe its working and obtain the expression for the instantaneous value of...