11) The main purpose of filling oil in a circuit breaker is :
Answer is:
to suppress the sparking produced across the connector at the time of breaking a circuit.
Related Circuit Breakers MCQ - Electrician (Set-1) with Answers
Answer is:
magnetic
Answer is:
miniature circuit breaker (MCB)
![The circuit breaker which does not contain any serviceable part is known as :](https://mcqfinder.in/uploads/images/objective-questions/electrician-set-1-circuit-breakers/electrician-set-1-circuit-breakers-id-13-e.jpg)
Answer is: