=In the figure below, the rolling axle, 1.50 m long, is pushed along horizontal rails at a constant speed v = 11.00 m/s. A resistor R 0.4000 2 is connected to the rails at points a and b, which aredirectly opposite each other. The wheels make good electrical contact with the rails, so the axle, rails, and resistor form a closed-loop circuit. The only significant resistance in the circuit is R. A uniformmagnetic field B = 0.0700 T is vertically downwards.100(a) Find the induced current I in the resistor.A(b) What horizontal force F is required to keep the axle rolling at constant speed?N(c) Which end of the resistor, a or b, is at the higher electric potential?O Point a is at a higher potential.Point b is at a higher potential.Point a and Point b are at equal potentials.(d) After the axle rolls past the resistor, does the current in R reverse direction?YesNoExplain your answer.

Answered: Image /qna-images/answer/f9ad2b31-8028-4fe4-9dd0-c57bb3a1124b.jpg

In the figure below, the rolling axle, 1.50 m long, is pushed along horizontal rails at a constant speed v= 11.00 m/s. A resistor R = 0.4000 2 is connected to the rails at points a and b, which are directly opposite each other. The wheels make good electrical contact with the rails, so the axle, rails, and resistor form a closed-loop circuit. The only significant resistance in the circuit is R. A unifo magnetic field B = 0.0700 T is vertically downwards. (a) Find the induced current I in the resistor. A (b) What horizontal force F is required to keep the axle rolling at constant speed? N (c) Which end of the resistor, a or b, is at the higher electric potential? O Point a is at a higher potential. O Point b is at a higher potential. O Point a and Point b are at equal potentials. (d) After the axle rolls past the resistor, does the current in R reverse direction? O Yes O No Explain your answer.

In the figure below, the rolling axle, 1.50 m long, is pushed along horizontal rails at a constant speed v= 11.00 m/s. A resistor R = 0.4000 2 is connected to the rails at points a and b, which are directly opposite each other. The wheels make good electrical contact with the rails, so the axle, rails, and resistor form a closed-loop circuit. The only significant resistance in the circuit is R. A unifo magnetic field B = 0.0700 T is vertically downwards. (a) Find the induced current I in the resistor. A (b) What horizontal force F is required to keep the axle rolling at constant speed? N (c) Which end of the resistor, a or b, is at the higher electric potential? O Point a is at a higher potential. O Point b is at a higher potential. O Point a and Point b are at equal potentials. (d) After the axle rolls past the resistor, does the current in R reverse direction? O Yes O No Explain your answer.

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Faraday's Law

Section: Chapter Questions

Problem 42AP: Review. In Figure P30.42, a uniform magnetic field decreases at a constant rate dB/dt = K, where K...

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