Mathematics · Electrical Machines Numerical
A DC series motor has a total resistance of 0.5 Ω between its terminals. It runs at 730 rpm while drawing 20 A from a 300 V supply. Assuming magnetic linearity (no saturation), at what speed (in rpm) will it run when drawing 10 A from the same supply?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1365 rpm
- 2730 rpm
- 31440 rpm✓
- 41500 rpm
Correct answer
1440 rpm
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