Physics · Power Systems
An overcurrent relay having a current setting of 125% is connected to a supply circuit through a current transformer of ratio 400/5. The pick-up current value of the relay is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112.5 A
- 210 A
- 315 A
- 46.25 A✓
Correct answer
6.25 A
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