Question Detail

PHY 102 Test Compilation PHY 102 23 Objective Question

Question

When DC voltage is applied to a capacitor, it:
Options
A Acts as a short circuit at the instant of applied voltage and then as an open circuit once fully charged
Correct Answer
B Acts as an open circuit from the beginning
C Acts as a short circuit
D None of these
Correct Answer

Option A is the correct answer.

Detailed Explanation

At the first instant the capacitor is uncharged and behaves like a short circuit. As it charges, its voltage rises to oppose the supply until current stops - it then behaves like an open circuit.

Hint

At the first instant the capacitor is uncharged and behaves like a short circuit.

Question Info