Mathematics · Electrical Calculations
An overcurrent relay having a current setting of 12.5% is connected to a supply circuit through a current transformer of ratio 400/5. The secondary pick-up current value is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15.0 A
- 20.625 A✓
- 31.25 A
- 410.0 A
Correct answer
0.625 A
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