In the drawing the magnetic field has a magnitude of 1.69 T, the rod has a lengt

Question

In the drawing the magnetic field has a magnitude of 1.69 T, the rod has a length of 0.896 m, and the hand keeps the rod moving to the right at a constant speed of 5.40 m/s. If the current in the circuit is 0.0389 A, what is the average power being delivered to the circuit by the hand?

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the tolerance is +/-2%

Number Units No unitssmm/sm^2/skgJWHz In the drawing the magnetic field has a magnitude of 1.69 T, the rod has a length of 0.896 m, and the hand keeps the rod moving to the right at a constant speed of 5.40 m/s. If the current in the circuit is 0.0389 A, what is the average power being delivered to the circuit by the hand? No unitssmm/sm^2/skgJWHz Warning Don't show me this message again for the assignment Ok Cancel the tolerance is +/-2% Units Number

Explanation / Answer

e = BLv

e = 0.896* 1.69*5.4 = 8.1769 V

R = e / 0.0389 = 210.20 ohms

Power = I^2 R = 0.3181 W

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