CUET Preparation Today
An electric motor operating on a 50 V dc supply draws a current of 12 A. If the efficiency of the motor is 30%, the estimated resistance of the motor would be: |
1.9 Ω 1.5 Ω 2.7 Ω 2.9 Ω |
2.9 Ω |
The correct answer is Option (4) → 2.9 Ω |
