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A square loop (length along one 20 cm) rotates in a constant ma

A square loop (length along one 20 cm) rotates in a constant ma

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B6
A square loop (length along one side = 20 cm) rotates in a constant magnetic field which has a magnitude of 2 T. At an instant when the angle between the field and the normal to the plane of the loop is equal to 15° and increasing at the rate of 10°/s, what is the magnitude of the induced emf in the loop? E = 3.61 mV E = 20.7 mV E = 2.42 mV E = - 20.7 mV E = - 13.8 mV E = 13.8 mV
Transcribed Image Text:A square loop (length along one side = 20 cm) rotates in a constant magnetic field which has a magnitude of 2 T. At an instant when the angle between the field and the normal to the plane of the loop is equal to 15° and increasing at the rate of 10°/s, what is the magnitude of the induced emf in the loop? E = 3.61 mV E = 20.7 mV E = 2.42 mV E = - 20.7 mV E = - 13.8 mV E = 13.8 mV
If R = 3 Q, C = 6 nF, E1 = 10 V, Q = 18 nC, E2 = 6 V, and |= 5 mA, what is the potential difference Va – Vb? 9. + 31 V + 34 V - 28 V - 31 V + 28 V - 34 V
Transcribed Image Text:If R = 3 Q, C = 6 nF, E1 = 10 V, Q = 18 nC, E2 = 6 V, and |= 5 mA, what is the potential difference Va – Vb? 9. + 31 V + 34 V - 28 V - 31 V + 28 V - 34 V
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