Question Detail

PHY 102 Test Compilation PHY 102 2 Objective Question

Question

E.M.F can be induced by
Options
A changing magnetic flux density
B changing area of circuit
C changing the angle
D all of above
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Faraday's law: emf = -dΦ/dt, Φ = B·A·cosθ. Changing any changes flux.

Hint

Change B, A, or θ.

Question Info