A single-turn coil of fixed area rotates with constant angular speed in a uniform…
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism
Problem
A single-turn coil of fixed area rotates with constant angular speed in a uniform magnetic field. Which one of the following changes, made separately, will NOT change the maximum value of the induced emf?
(a) Doubling the magnetic field strength
(b) Doubling the resistance of the coil circuit
(c) Halving the coil area
(d) Doubling the angular speed of rotation