MasteringPhysics: #9 Ch 21-Google Chrome ? Secure https://session asteringphysic

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MasteringPhysics: #9 Ch 21-Google Chrome ? Secure https://session asteringphysics.com myct/itemView?ass ngphysics.com/myctítemView2assignmentProblemiD 93973805&koffsetwnext; nmentproblemio-93973 os&of; se ext lastering #9 Ch 21 y Courses Problem 21.04 ourse Home What emf is induced in this loop? Constants Scores eText Dynamic Study M .195 T/s A single loop of wire with an area of 9.05 102 m is in a uniform magnetic fiold that has an initial value of 373 T, is perpendicular to the plane of the loop, and is decreasing at a constant rate of Submit Request Ann wer Study Area Course Materials ? Part B "trw, loop has a resistance of 0.630 ? . nnd rearrant nuod r, roloop Submit Request Aswer 0 Type here to search Ese

Explanation / Answer

Induced EMF is given by:

EMF = -N*d(phi)/dt

phi = magnetic flux = B*A

EMF = -N*A*dB/dt

dB/dt = -0.195 T/sec

A = 9.05*10^-2 m^2

So,

EMF = -1*9.05*10^-2*(-0.195)

EMF = 0.0176 V

Part B

Using ohm's law:

i = EMF/R

i = 0.0176/0.630

i = 0.0279 Amp

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