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clear
//Given
V=200 //V
I=5 //A
R=8.5 //ohm
//Calculation
Eb=V-(I*R)
Pi=V*I
P0=Eb*I
n=(P0*100)/Pi
//Result
printf("\n (i) Back e.m.f of motor is %0.3f V", Eb)
printf("\n (ii) Power input is %0.3f W",Pi)
printf("\n (iii) Output power is %0.3f W",P0)
printf("\n (iv) Efficiency of motor is %0.3f percentage",n)
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