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A conducting rod of length L 27.0 cm slides over two horizontal metal bars with a constant speed v 4.00 m/s to the right. The entire set up is in a region of uniform magnetic field that is directed perpendicular to the rods and into the page. What is the strength of the magnetic field if an emf of magnitude 7.50 V is induced?

A conducting rod of length L 27.0 cm slides over two horizontal metal bars with a constant speed v 4.00 m/s to the right. The entire set up is in a region of uniform magnetic field that is directed perpendicular to the rods and into the page. What is the strength of the magnetic field if an emf of magnitude 7.50 V is induced?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A conducting rod of length L = 27.0 cm slides over two horizontal metal bars with a constant speed v = 4.00 m/s to the right. The entire set up is in a region of uniform magnetic field that is directed perpendicular to the rods and into the page. What is the strength of the magnetic field if an emf of magnitude 7.50 V is induced? T 8 'V L
Transcribed Image Text:A conducting rod of length L = 27.0 cm slides over two horizontal metal bars with a constant speed v = 4.00 m/s to the right. The entire set up is in a region of uniform magnetic field that is directed perpendicular to the rods and into the page. What is the strength of the magnetic field if an emf of magnitude 7.50 V is induced? T 8 'V L
Expert Solution
Step 1

Given the length of the rod L=27.0cm=0.27m

speed of the rod v=4.00m/s

magnetic field is perpendicular to the rod 

Magnetic field B=?

if emf ε=7.50V

we know that for a rod of length L moving with speed v in magnetic field B the induced emf is related as 

ε=BLv

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