Please help me solve C)! This is my last attempt. This wrong answer was given to

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Please help me solve C)! This is my last attempt. This wrong answer was given to me here on chegg.

Exercise 29.2 In a physics laboratory experiment, a coil with 160 turns enclosing an area of 12.0 cm is rotated in a time interval of 4.50x10 2 s from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The earth's magnetic field at the lab location is 6.1x10-5 T Part A What is the total magnetic flux through the coil before it is rotated? Express your answer using two significant figures 1.2x10 5 wb Submit My Answers Give Up Correct Part B What is the total magnetic flux through the coil after it is rotated? Express your answer using two significant figures 0 Wb Submit My Answers Give Up Correct Part C What is the average emf induced in the coil? Express your answer using two significant figures 26.026 Submit My Answers Give Up incorrect, one attempt remaining, Try Again

Explanation / Answer

part c )

e = -dphi/dt

e = -(phi_f - phi_i)

phi_f = 0

phi_i = 1.2 x 10^-5 Wb

dt = 4.5 x 10^-2 s

e = 2.67 x 10^-4 V = 2.7 x 10^-4 V

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