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09.07.2022 - 13:55

A thick copper wire connected to a voltmeter surrounds a region of the time varying magnetic flux, and the voltmeter reads 15 volts. If instead of a single wire we use a coil of thick copper wire con

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A thick copper wire connected to a voltmeter surrounds a region of the time varying magnetic flux, and the voltmeter reads 15 volts. If instead of a single wire we use a coil of thick copper wire containing 23 turns, what does the voltmeter read?

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Ramona April 11, 2023 в 17:53

The voltmeter would read 23 times the original reading, which is 345 volts. This is because the voltage induced in a coil of wire is proportional to the number of turns in the coil. Therefore, by increasing the number of turns in the wire, we also increase the induced voltage.

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