Physics · Electrical Measurements
What will happen if the secondary winding of an operating current transformer (CT) is left open-circuited?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A very low electromotive force (e.m.f.) is induced on both the primary and secondary sides
- 2A very small magnetic flux is induced on both the primary and secondary sides
- 3The current through the secondary winding becomes zero, leading to dangerously high induced voltage and core saturation✓
- 4The current through the secondary winding becomes maximum
Correct answer
The current through the secondary winding becomes zero, leading to dangerously high induced voltage and core saturation
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