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  1. floppyspud

    How to find the direction of an induced current when the direction of movement is unknown?

    In this question of the 2017 HSC: I'm unsure how to find both points' polarity with the direction of movement not given, nor do I know how to derive the direction of movement from the rest of the question. Googling it isn't any help, as it only comes up with examples of a given movement. Any...
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