A horizontal straight wire 10 m long extending from east to west is falling with a speedof 5.0 m s1, at right angles to the horizontal component of the earth's magnetic field,0.30 x 10 Wb m.(a) What is the instantaneous value of the emf induced in the wire?(b) What is the direction of the emf?(c) Which end of the wire is at the higher electrical potential?

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of 5.0 m s, at right angles to the horizontal component of the earth's magnetic field, 0.30 x 10 Wb m2. (a) What is the instantaneous value of the emf induced in the wire? (b) What is the direction of the emf? (c) Which end of the wire is at the higher electrical potential?

of 5.0 m s, at right angles to the horizontal component of the earth's magnetic field, 0.30 x 10 Wb m2. (a) What is the instantaneous value of the emf induced in the wire? (b) What is the direction of the emf? (c) Which end of the wire is at the higher electrical potential?

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 14P

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Question

A horizontal straight wire 10 m long extending from east to west is falling with a speed
of 5.0 m s1, at right angles to the horizontal component of the earth's magnetic field,
0.30 x 10 Wb m.
(a) What is the instantaneous value of the emf induced in the wire?
(b) What is the direction of the emf?
(c) Which end of the wire is at the higher electrical potential?

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