Factors affecting electromagnetic induction · CAP 2003 #25
Physics · electromagnetism
Problem
A magnet moves inside a coil. Which of the following factors can affect the emf induced in the coil?
I. the speed at which the magnet moves
II. the strength of the magnet
III. the number of turns in the coil
(a) I only;
(b) I and II only;
(c) II and III only;
(d) I, II and III.