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A switch is connected in between a 12 V battery and an uncharged capacitor and a 1 KΩ resistor. At the time instant when the switch is closed, the voltage across the capacitor is:

A switch is connected in between a 12 V battery and an uncharged capacitor and a 1 KΩ resistor. At the time instant when the switch is closed, the voltage across the capacitor is: Correct Answer 0 V

Concept:

A capacitor doesn’t allow a sudden change in voltage across it, i.e.

Vc(0-) = Vc(0+)

Calculation:

Given circuit can be drawn as:

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⇒ Vc(0-) = 0V (because the switch is open)

At t = 0+ (i.e. at the instant when the switch is closed)

Vc(0+) = 0 V

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