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Capacitors - Technical MCQs

Q1:

Which of the following statements is true?

A The voltage to which a capacitor is charged can change instantaneously.

B The current in a capacitive circuit takes time to change.

C A fully charged capacitor appears as a short to dc current.

D An uncharged capacitor appears as a short to an instantaneous change in current.

ANS:D - An uncharged capacitor appears as a short to an instantaneous change in current.

At transient state capacitance act as short circuit, inductance act as open circuit.

At steady state capacitance act as open circuit and inductance act as short circuit.