Question Detail

PHY 102 Test Compilation PHY 102 5 Objective Question

Question

When a battery, resistor, switch, and inductor form a circuit, and switch is closed, inductor opposes current change. How is time constant affected by doubling inductance?
Options
A increase to four times
B increase to twice
Correct Answer
C remain same
D decrease to half
Correct Answer

Option B is the correct answer.

Detailed Explanation

Time constant τ = L/R. Double L → double τ.

Hint

τ = L/R.

Question Info