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University Physics Volume 2
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ISBN:9781938168161
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Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 46P: An ac source of emf delivers 5.0 mW of power at an rms current of 2.0 mA when it is connected to the...
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A generator produces 60 A of current at 120 V. The voltage is usually stepped up to 4500 V by an
ideal transformer and transmitted through a power line of total resistance 1.0 2. Find the number
of turns in the secondary if the primary has 200 turns.
7500
4500
5
200
Transcribed Image Text:A generator produces 60 A of current at 120 V. The voltage is usually stepped up to 4500 V by an ideal transformer and transmitted through a power line of total resistance 1.0 2. Find the number of turns in the secondary if the primary has 200 turns. 7500 4500 5 200
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