In a physics laboratory experiment, a coil with 180 turns enclosing an area of 1

Question

In a physics laboratory experiment, a coil with 180 turns enclosing an area of 11.7 cm^2 is rotated during the time interval 3.20 times 10^-2 s from a position in which its plane is perpendicular to Earth's magnetic field to one in which its plane parallel to the field. The magnitude of is Earth's magnetic field at the lab location is 5.50 times 10^-5 T. What is the total magnitude of the magnetic flux (phi_initial) through the coil before it is rotated? 1.16 times 10^-5 wb 3.71 times 10^-7 Wb 6.44 times 10^-8 Wb 2.06 times 10^-9wb 0 wb

Explanation / Answer

N = 180

A = 11.7 cm^2 = 11.7*10^-4 m2

t = 3.2*10^-2 s

B = 5.5*10^-5 T

Magnetic flux = N*B*A = 180*5.5*10^-5*11.7*10^-4

= 1.16*10^-5 Wb <------ option A

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