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What is the voltage across a capacitor at the time of switching, that is, when t=0?

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in Basic Electrical Engineering by (88.7k points)
What is the voltage across a capacitor at the time of switching, that is, when t=0?

(a) Infinity

(b) 0V

(c) Cannot be determined

(d) 1V

This question was posed to me in examination.

This question is from Charge and Voltage topic in chapter Capacitance and Capacitors of Basic Electrical Engineering

1 Answer

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Best answer
Right option is (b) 0V

Explanation: At the time of switching, when t=0, the capacitor acts as a short circuit. The voltage across a short is always equal to zero hence the voltage across the capacitor is equal to zero.

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