The rectangular loop shown in the figure moves at constant velocity normal to a

Question

The rectangular loop shown in the figure moves at constant velocity normal to a stationary and uniform magnetic field. Determine the electromagnetic force induced across a small gap created in the loop. The loop sides are a and b

u = (y-hat) 7.5 m/s

B = (x-hat) 50 mT

a= .05 m

b= .15m

The rectangular loop shown in the figure moves at constant velocity normal to a stationary and uniform magnetic field. Determine the electromagnetic force induced across a small gap created in the loop. The loop sides are a and b u = (y - hat) 7.5 m/s B = (x - hat) 50 mT a= .05 m b= .15m

Explanation / Answer

flux = B.A

d/dt(flux) = 0 ...because both the area of loop and magnetic field are constant

EMF induced = -N d/dt(flux) = 0 ...since rate of change of flux is zero

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