Foundation
Physics Foundation
Magnetism
Question
A permanent magnet approaches a solenoid with a constant speed v. What is the magnetic pole induced at the portion Y of the solenoid and the direction of the induced current into the galvanometer?
| Polarity at Y | Direction of the current | |
| (1) | N-pole | From the left |
| (2) | N-pole | From the right |
| (3) | S-pole | From the left |
| (4) | S-pole | From the right |
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