30. Induction and Inductance
Faraday's Law
7:21 minutes
Problem 29.15
Textbook Question
Textbook Question(II) The area of an elastic circular loop decreases at a constant rate, dA/dt = -3.50 x 10⁻² m²/s. The loop is in a magnetic field B = 0.35 T whose direction is perpendicular to the plane of the loop. At t = 0, the loop has area A = 0.285 m². Determine the induced emf at t = 0, and at t = 2.00 s.
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