Question

11. A uniform magnetic field is applied perpendicular to the plane of a 340 turn circular coil with a radius of 2.0cm and a resistance of 1.80 2. If the magnetic field increases uniformly from 0.30 T to 0.8T in 0.20s, what is the magnitude of the emf induced in the coil? Hint 1: Faradays Electromagnetic induction, interactive calculation, animation A) 7.2V B) 5.4V C) 9.2V D) 12V E) 16V

Answer 1

Dear student,(The options mentioned above for this question ,are surely misprinted.This is the absolutely correct way that I have solved.

IN= 340, r=2cm, R=1.80, AB = 018-0.3=0.5T St= 0.2 sec enf induced (e) = N/A - NAAR = 340 x (2*3)*x0.5 De = 1.068 v) And 0. 2

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