a metal bar sliding at 1.5 cm/s over a U-shaped metal rail. At t=0, the external magnetic field is 0.2 T out of the page, and is increasing at the rate of 0.1 T/s. Take l = 5.0 cm, and at t=0, x = 5.0 cm. Find the induced emf.

a metal bar sliding at 1.5 cm/s over a U-shaped metal rail. At t=0, the external magnetic field is 0.2 T out of the page, and is increasing at the rate of 0.1 T/s. Take l = 5.0 cm, and at t=0, x = 5.0 cm. Find the induced emf.

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter24: Geologic Time

Section: Chapter Questions

Problem 15SA

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Question

The Figure shows a metal bar sliding at 1.5 cm/s over a U-shaped metal rail. At t=0, the external
magnetic field is 0.2 T out of the page, and is increasing at the rate of 0.1 T/s. Take l = 5.0 cm, and at t=0,
x = 5.0 cm. Find the induced emf.
Hint: The induced emf is produced both by the motion of the bar and by the changing external magnetic
field.