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a). A uniform magnetic field B is perpendicular to the plane of a circular loop of diameter 0.3 m formed from wire of diameter 0.002 m and resistivity 1.4x10*Qm. At what rate (AB/At=?) must the magnitude of B change to induce a 6 A current in loop?

a). A uniform magnetic field B is perpendicular to the plane of a circular loop of diameter 0.3 m formed from wire of diameter 0.002 m and resistivity 1.4x10*Qm. At what rate (AB/At=?) must the magnitude of B change to induce a 6 A current in loop?

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) What rate must the magnitude of B change to induce a 6A current in the loop? 

b) What ar ethe magnitude and direction of the current around the loop at the moment t=3s?

a). A uniform magnetic field B is perpendicular to the plane of a circular loop of diameter 0.3 m formed from wire of diameter 0.002 m and resistivity 1.4x10Qm. At what rate (AB/At=?) must the magnitude of B change to induce a 6 A current in loop? b). A square wire loop with 1 m sides is perpendicular to a uniform magnetic field, with one third of the area of the loop in the field. The loop contains an ideal battery with emf 9 V. The resistance of the loop is 5 2. If the magnitude of the field varies with time according to B=16t- t?, with B in teslas and t in seconds, what are the magnitude and direction (CW or CCW) of the current around the loop at the momentt = 3 s? В C bat
Transcribed Image Text:a). A uniform magnetic field B is perpendicular to the plane of a circular loop of diameter 0.3 m formed from wire of diameter 0.002 m and resistivity 1.4x10Qm. At what rate (AB/At=?) must the magnitude of B change to induce a 6 A current in loop? b). A square wire loop with 1 m sides is perpendicular to a uniform magnetic field, with one third of the area of the loop in the field. The loop contains an ideal battery with emf 9 V. The resistance of the loop is 5 2. If the magnitude of the field varies with time according to B=16t- t?, with B in teslas and t in seconds, what are the magnitude and direction (CW or CCW) of the current around the loop at the momentt = 3 s? В C bat
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