Physics · Power Systems
What primary duty does a circuit breaker perform under normal operational conditions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Interrupting the heavy short-circuit fault current
- 2Keeping the circuit closed for normal load current switching✓
- 3Carrying a heavy fault current for a short duration
- 4Closing on to an existing electrical fault
Correct answer
Keeping the circuit closed for normal load current switching
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