When is induction done?
Need help quickly, but with an explanation please.
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At A and C.
Why at C, asked for explanation
Well. The surface of the coil hit by the magnetic field changes. Then the induction law intervenes. Imagine the coil as a cub and turn it mentally through the field lines. Then it should be clear to you.
Yes, it turns
Okay, I don’t really understand if that’s what the reel is… When the coil turns it makes sense.