Question Detail

PHY 102 Capacitors and Capacitance Objective Question

Question

A capacitor of 100 μF is charged through a 10 kΩ resistor. What is the time constant?
Options
A 0.1 s
B 1 s
Correct Answer
C 10 s
D 100 s
Correct Answer

Option B is the correct answer.

Detailed Explanation

τ = RC = (10 × 10³ Ω) × (100 × 10⁻⁶ F) = 10⁴ × 10⁻⁴ = 1 s.

Hint

Multiply R × C.

Question Info