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A rectangular coil with resistance R has N turns (loops) each of length L and wi

ID: 1648961 • Letter: A

Question

A rectangular coil with resistance R has N turns (loops) each of length L and width W as shown in the figure. The coil moves into a uniform magnetic field B with constant velocity v. Write your answers in terms of given parameters. Find the magnitude and direction of the NET magnetic force on the coil. You must explain all aspects of your solution in order to receive credit (i, e., mathematically or verbally) a. As it moves (totally immersed) within the magnetic field. b. As it leaves the magnetic field on the right side (i.e., when it is partially immersed in the field). Draw a sketch in the box to the right which includes all variables used in your solution.

Explanation / Answer

F= QVB

F =ILB

e = N*B*L*v

I = e/R

Induced Emf is due to result of change of flux