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Questions and Answers
How does a circuit breaker differ from a fuse?
How does a circuit breaker differ from a fuse?
- It has a longer lifespan
- It is more cost-effective
- It can be reset to resume normal operation (correct)
- It can handle higher voltage circuits
What is the basic function of a circuit breaker?
What is the basic function of a circuit breaker?
- To interrupt current flow to protect equipment and prevent fire (correct)
- To regulate voltage in an electrical circuit
- To reduce the risk of electric shock
- To increase current flow for better equipment performance
What does the abbreviation OCPD stand for in relation to circuit breakers and fuses?
What does the abbreviation OCPD stand for in relation to circuit breakers and fuses?
- Overload Control and Power Distribution
- Operational Circuit Power Distribution
- Open Circuit Prevention Design
- Over Current Protection Device (correct)
What was the purpose of an early form of circuit breaker described in Thomas Edison's 1879 patent application?
What was the purpose of an early form of circuit breaker described in Thomas Edison's 1879 patent application?
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What range of electrical circuits can circuit breakers be designed to protect?
What range of electrical circuits can circuit breakers be designed to protect?
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