An electric motor operates on a 50 v supply

Asked by admin @ in Physics viewed by 341 People

An electric motor operates on a 50V supply and a current of 12A . if the efficiency of teh motor is 30% , what is the resisatnce of winding of motor?

1) 6ohm
2) 4ohm
3) 2.9ohm
4) 3.1ohm

Answered by admin @


Answer:

Answer is 2.9 ohm

Explanation:


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