1. A long rectangular U-shaped guide rail, angled to the horizontal, on which a bare wire slides frictionlessly, lies in a uniform magnetic field with magnetic inductance B vertically upwards. Let the mass of the wire ab be M, the resistance is R, and the length is L. The resistance of the rail is omitted, and abcd forms a circuit. When /= 0, y = 0. d C Please answer: the speed v of the slide of the wire ab as a function of time the maximum speed Vm of the wire ab.

1. A long rectangular U-shaped guide rail, angled to the horizontal, on which a bare wire slides frictionlessly, lies in a uniform magnetic field with magnetic inductance B vertically upwards. Let the mass of the wire ab be M, the resistance is R, and the length is L. The resistance of the rail is omitted, and abcd forms a circuit. When /= 0, y = 0. d C Please answer: the speed v of the slide of the wire ab as a function of time the maximum speed Vm of the wire ab.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 84CP: The accompanying figure shows a metal disk of inner radius r1 and other radius r2 rotating at an...

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