Please use given units. In the figure, a metal rod is forced to move with constant velocity along two parallel metal rails, connected with a strip of metal at oneend. A magnetic field of magnitude B = 0.453 T points out of the page. (a) If the rails are separated by 32.2 cm and the speed of the rodis 44.3 cm/s, what is the magnitude of the emf generated in volts? (b) If the rod has a resistance of 20.10 and the rails and connectorhave negligible resistance, what is the current in amperes in the rod? (c) At what rate is energy being transferred to thermal energy?(a) Number i .0002099(b) Number i.00021(c) Number i .21UnitsVUnits AUnitsW

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nigure, a metal rod is force move with constant velocity along two parallel metal ralls, connected with a strip of me nd. A magnetic field of magnitude B = 0.453 T points out of the page. (a) If the rails are separated by 32.2 cm and the speed of the r 44.3 cm/s, what is the magnitude of the emf generated in volts? (b) If the rod has a resistance of 20.10 and the rails and connecto ave negligible resistance, what is the current in amperes in the rod? (c) At what rate is energy being transferred to thermal energy (a) Number MI .0002099 (b) Number i .00021 (c) Number i 21 Units V Units A Units W

nigure, a metal rod is force move with constant velocity along two parallel metal ralls, connected with a strip of me nd. A magnetic field of magnitude B = 0.453 T points out of the page. (a) If the rails are separated by 32.2 cm and the speed of the r 44.3 cm/s, what is the magnitude of the emf generated in volts? (b) If the rod has a resistance of 20.10 and the rails and connecto ave negligible resistance, what is the current in amperes in the rod? (c) At what rate is energy being transferred to thermal energy (a) Number MI .0002099 (b) Number i .00021 (c) Number i 21 Units V Units A Units W

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter23: Faraday’s Law And Inductance

Section: Chapter Questions

Problem 4OQ: A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T....

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A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T. The plane of the loop is perpendicular to the direction of the magnetic field. In a time interval of 0.50 s, the magnetic field changes to the opposite direction with a magnitude of 0.040 T. What is the magnitude of the average emf induced in the loop? (a) 0.20 V (b) 0.025 V (c) 5.0 mV (d) 1.0 mV (e) 0.20 mV
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In Figure P20.65 the rolling axle of length 1.50 m is pushed along horizontal rails at a constant speed v = 3.00 m/s. A resist or R = 0.400 is connected to the rails at points a and b, directly opposite each other. (The wheels make good electrical contact with the rails, so the axle, rails, and R form a closed-loop circuit. The only significant resistance in the circuit is R.) A uniform magnetic field B = 0.800 T is directed vertically downward. (a) Find the induced current I in the resistor. (b) What horizontal force F is required to keep the axle rolling at constant speed? (c) Which end of the resistor, a or b. is at the higher electric potential? (d) Alter the axle rolls past the resistor, does the current in R reverse direction? Explain your answer. Figure P20.65