A conducting bar of length , moves to the right on two frictionless rails as shown in Figure. A uniform magnetic field directed into the page has a magnitude of 0.200 T. Assume R =9.00 0 and l= 0.30 m. (a) At what constant speed should the bar move to produce an 6.0-mA current in the resistor? (b) What is the direction of the induced current? (c) At what rate is energy delivered to the resistor? Bin R *マ× X x x X x x X x xX x x x x x x × x X X X X x x X X x X X x * x x X x x

A conducting bar of length , moves to the right on two frictionless rails as shown in Figure. A uniform magnetic field directed into the page has a magnitude of 0.200 T. Assume R =9.00 0 and l= 0.30 m. (a) At what constant speed should the bar move to produce an 6.0-mA current in the resistor? (b) What is the direction of the induced current? (c) At what rate is energy delivered to the resistor? Bin R マ× X x x X x x X x xX x x x x x x × x X X X X x x X X x X X x x x X x x

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 69AP: The conducting rod shown in the accompanying figure moves along parallel metal rails that are 25-cm...

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