Question Detail

PHY 102 Last Minute Prep Objective Question

Question

In Faraday's law of induction (ε = -N ΔΦ/Δt), the minus sign is an expression of
Options
A Lenz's law
Correct Answer
B Biot-Savart law
C Ampere's law
D Maxwell's law
Correct Answer

Option A is the correct answer.

Detailed Explanation

The negative sign signifies that the induced EMF acts to oppose the change in magnetic flux

Hint

This law is fundamentally about 'conservation of inertia' in magnetism.

Question Info