Physics · Switchgear and Protection
What is the primary purpose of using compressed air in an air-blast circuit breaker?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Closing the contacts
- 2Cooling the circuit breaker body
- 3Opening the contacts
- 4Quenching the electric arc✓
Correct answer
Quenching the electric arc
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