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Grade: 11
        A conducting circular loop having a radius of 5.0 cm, is placed perpendicular to a magnetic field of 0.50 T. It is removed from the field in 0.50 s. Find the average emf produced in the loop during this time.
5 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points
							Sol. ϕ1 = BA = 0.5 x π(5 x 10^-2)^2 = 5π 25 x 10^–5 = 125 x 10^–5
    ϕ base 0
E = ϕ base 1 – ϕ base 2 /t = 125 π x 10^-4 = 7.8 x 10^-3.

						
5 years ago
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