Mathematics · Aptitude and Numerical Problems
An over-current relay having a current setting of 12.5% is connected to a supply circuit through a current transformer with a ratio of 400/5. The pick-up value of the current in the relay coil (secondary side) in Amperes is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 150
- 212.5
- 310
- 40.625✓
Correct answer
0.625
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