6
lesson pretestMultiple Choice

Pretest

Question 6 • Physics

Which change would reverse the direction of the electric current generated through electromagnetic induction?

Answer
A
using a weaker magnet
B
using the opposite pole of the magnet
C
using more loops of wire in the solenoid
D
moving the magnet slower

Explanation

The direction of induced current depends on the direction of the changing magnetic field. Using the opposite pole reverses the field through the coil, so the induced current reverses as well. A weaker magnet, more wire loops, or slower motion can change the current’s strength, but not its direction.

AI-written and checked against the verified answer.

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