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Predict the movement of the needle of a galvanometer attached to a coil of wire for each of the following actions. Assume that the north pole of a bar magnet has been inserted into the coil, causing the needle to deflect to the right. a. pulling the magnet out of the coil b. letting the magnet rest in the coil c. thrusting the south pole of the magnet into the coil
Step down transformers generates lower output power than their initial input power because of the higher number of turns in the primary coil compared to the secondary coil. That means that a primary coil with a turns and a secondary coil with a turns can be considered as a transformer.
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