What is a circuit breaker?

A. A circuit breaker is a Fuse

B. A circuit breaker is a Switch

C. Resettable protective device

D. A circuit breaker is a Resistor


Circuit breaker is a is Resettable protective device.  It is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected.

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Computer Science MCQs by CSSMCQs

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Computer MCQs:

In this section, you will find Computer Fundamental MCQs, Computer MCQs, MS Office, MS Excel, MS Word, MCQ on Internet, MCQ Quiz KPPSc MCQs, MCQ of Computer Science, NTS GAT, Computer has become a most demandable thing in any work. Almost all departments have computer need. And it every important to know the basic knowledge of computer. If you want to get a job or admission related to the computer, you must prepare online for computer science MCQ’S questions and answers.

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