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 in Faraday's law indicates that the induced emf opposes the change in magnetic flux, which is a statement of Lenz's law.

Hint

Which law explains the direction of induced emf?

Question Info