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Physics, 31.03.2020 03:43, itaheart101
An electric motor in a hair dryer is running at its normal constant operating speed and, thus, is drawing a relatively small current, as in part (b) of Example 12. The wire in the coil of the motor has some resistance. What happens to the temperature of the coil if the shaft of the motor is prevented from turning, so that the back emf is suddenly reduced to zero?
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An electric motor in a hair dryer is running at its normal constant operating speed and, thus, is dr...
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