⚡ Circuit Breaker MCQ | What Happens When Contacts Open? #shorts #engineeringstudents #preparation

⚡ Circuit Breaker MCQ | Arc Formation Concept

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📚 Topic:

Circuit Breaker
Arc Formation
Switchgear & Protection

💡 Key Concept:
When circuit breaker contacts separate, an arc is formed due to ionization of air, which must be extinguished for safe operation.

🎯 Useful for:

Polytechnic students
Diploma electrical engineering
Competitive exam preparation

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