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Which type of current can be stored in a capacitor?(a) Alternating current(b) Direct current(c) Both alternating current and direct current(d) Neither alternating current nor direct currentI have been asked this question by my college professor while I was bunking the class.This intriguing question originated from Current and Voltage in a Capacitive Circuit in portion Single Phase Series Circuits of Basic Electrical Engineering

Answer»

The correct option is (b) Direct current

For explanation I WOULD SAY: Only direct current can be STORED in the capacitor. Capacitor cannot be FULLY charged using alternating current because as soon as the capacitor charges, alternating current reverses its polarity thereby discharging it. So, we cannot STORE ac current in capacitor.



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