Physics · Electrical Machines
In a DC series motor, the torque developed is 20 Nm when the armature current is 10 A. Assuming the magnetic circuit remains unsaturated, if the current is doubled to 20 A, the torque developed becomes:
- 1160 Nm
- 280 Nm✓
- 340 Nm
- 410 Nm
Correct answer
80 Nm
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