Physics · Electric Motors
A motor generates a back e.m.f. of 210 V when the applied voltage is 240 V and the armature current is 50 A. What is the power dissipated as heat in the armature resistance of the motor?
- 1250 watt
- 21000 watt
- 3500 watt
- 41500 watt✓
Correct answer
1500 watt
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