Gce Model Questions Vol1 2020 Physics Question 16
Practice objective / multiple choice question 16 from the 2020 Gce Model Questions Vol1 Physics examination.
A rectangular conducting loop of width \(l = 0.20\ \text{m}\) slides without friction on two parallel horizontal rails that are 0.20 m apart, forming a closed circuit of total resistance \(R = 4.0\ \Omega\). The rails are placed in a uniform magnetic field of magnitude \(B = 0.50\ \text{T}\) directed into the page. An external horizontal force \(F = 2.0\ \text{N}\) is applied to the moving side of the loop, keeping it moving at a constant speed \(v\).\n\n(a) Determine the speed \(v\) of the loop.\n(b) Find the magnitude of the induced current in the loop and state its direction (clockwise or anticlockwise) as seen from above.
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About This Question
This is Gce Model Questions Vol1 2020 Physics Question 16. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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