Electrical Engineering · Switchgear and Protection
An arc is produced in a circuit breaker primarily because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The system supply voltage is extremely low
- 2The circuit opens exactly before the natural current zero
- 3The contacts separate while carrying a significant current✓
- 4The circuit current stops instantaneously
Correct answer
The contacts separate while carrying a significant current
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