Question Detail

PHY 102 Test Compilation PHY 102 1 Objective Question
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Question

When an alternating signal flows through an inductor,
Options
A voltage leads current by 90°
Correct Answer
B current leads voltage by 90°
C voltage lags current by 90°
D current and voltage are in phase
Correct Answer

Option A is the correct answer.

Detailed Explanation

In pure inductor, V = L(dI/dt), so voltage peaks 90° before current.

Hint

ELI: EMF (voltage) leads current in L.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 1
Type: Objective
Difficulty: Not specified
Question 211 of 1819
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