What is the main function of a transformer in electrical systems?
A transformer is used to change the voltage levels of AC current in electrical systems.
What type of electrical system is typically used in residential buildings?
Residential buildings usually use a split-phase electrical system to provide both 120V and 240V power.
What is the purpose of a circuit breaker in electrical systems?
A circuit breaker is designed to protect the electrical circuit by interrupting current flow in case of an overload or fault.
Which component is typically used to control the flow of electricity in a circuit?
A switch is a simple electrical component used to control the flow of electricity in a circuit.
What is the function of an electrical panel in a building?
An electrical panel distributes power to various circuits in a building and provides protection through circuit breakers.
What is a common type of wire used in residential electrical installations?
Copper and aluminum are the most common types of wire used in electrical installations.
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What is the purpose of using a transformer in power systems?
A transformer changes the voltage level in a power system to match the needs of the equipment or load.
What is the function of a fuse in electrical systems?
A fuse is a safety device that protects electrical circuits by breaking the connection when excessive current flows through it.
What is the purpose of a grounding system in an electrical installation?
Grounding systems provide a safe path for electrical current to flow into the earth in case of faults, reducing the risk of electric shock or fire.