A conducting bar of mass m = 0.2 kg, length / = 0.5 m, and resistance R slides in a horizontal plane on two frictionless and resistance free parallel rails in a uniform magnetic field B = 0.1 T that is directed perpendicular to the plane as shown in the figure. A source of emf that maintains a constant current 1= 2 A in the circuit (by compensating for any induced current) is connected between the rails. Assuming the bar starts from rest at t = 0, the speed (in m/s) of the rod at t= 1.0 s is sis nillul 2020 out O a. 1.5 O b. 1.0 O c. 0.75 O d. 0.50 O e. 0.25

A conducting bar of mass m = 0.2 kg, length / = 0.5 m, and resistance R slides in a horizontal plane on two frictionless and resistance free parallel rails in a uniform magnetic field B = 0.1 T that is directed perpendicular to the plane as shown in the figure. A source of emf that maintains a constant current 1= 2 A in the circuit (by compensating for any induced current) is connected between the rails. Assuming the bar starts from rest at t = 0, the speed (in m/s) of the rod at t= 1.0 s is sis nillul 2020 out O a. 1.5 O b. 1.0 O c. 0.75 O d. 0.50 O e. 0.25

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 33P: A single-turn circular loop of wire of radius 50 mm lies in a plane perpendicular to a spatially...

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In the circuit sho in the accompanying figure, the rtd slides along the conducting rails at a constant VelOCity v. The velocity is in the same plane as the rails and directed at an angle 6 to them. A uniform magnetic field Bis directed out of the page. What is the emf induced in the r?
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