An electrical generator consists of a circular coil of wire of radius 2.50 cm and with 20 turns in the coil. This coil rotates at a rate of 30 revolutions per second in a uniform magnetic field of strength 0.25 T. What is the induced EMF (voltage) in this generator, averaged over a quarter of a revoluti
An electrical generator consists of a circular coil of wire of radius 2.50 cm and with 20 turns in the coil. This coil rotates at a rate of 30 revolutions per second in a uniform magnetic field of strength 0.25 T. What is the induced EMF (voltage) in this generator, averaged over a quarter of a revoluti
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An electrical generator consists of a circular coil of wire of radius 2.50 cm and with 20 turns in the coil. This coil rotates at a rate of 30 revolutions per second in a uniform magnetic field of strength 0.25 T. What is the induced EMF (voltage) in this generator, averaged over a quarter of a revolution (a 90o turn)?
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9.4 V |
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37.6 V |
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24.2 V |
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18.8 V |
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