Question Detail

PHY 102 Electromagnetic Induction 2 Objective Question

Question

According to Faraday's First Law, what is the direct cause for an electromotive force (emf) to be induced in a coil of wire?
Options
A The mere presence of a magnetic field.
B Any change in the magnetic field of the coil.
Correct Answer
C The coil being physically at rest within a magnetic field.
D A constant current flowing through the coil.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 9 explicitly states, 'Any change in the magnetic field of a coil of wire will cause an emf to be induced in the coil.'

Hint

The key word here is 'change'.

Question Info