Question text
37 The N-pole of a magnet is moved into a solenoid and an e.m.f. is induced. solenoid N S V What causes an increase in the induced e.m.f.? A moving the magnet more quickly B moving the magnet more slowly C pulling the magnet out instead of pushing it in D using the S-pole of the magnet instead of the N-pole
37 The N-pole of a magnet is moved into a solenoid and an e.m.f. is induced.
solenoid
N S
V
What causes an increase in the induced e.m.f.?
A moving the magnet more quickly
B moving the magnet more slowly
C pulling the magnet out instead of pushing it in
D using the S-pole of the magnet instead of the N-pole
Select your answer: