Question
Download Solution PDFAmong various electrical safety devices, one based on the heating effect of electric current is called a:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Fuse.
- Fuse is a piece of wire of a material with a very low melting point.
- When a high current flows through the circuit due to overloading or a short circuit, the wires get heated and melts.
- As a result, the circuit is broken and current stops flowing.
- The fuse is always connected in the live path because if the live wire gets short-circuited somewhere within the appliance and results in the high current then the fuse can blow and protect the appliance.
Additional Information
- A capacitor is a device that stores electrical energy in an electric field.
- It is a passive electronic component with two terminals.
- The effect of a capacitor is known as capacitance.
- A surge protector is an electrical device that is used to protect equipment against power surges and voltage spikes while blocking voltage over a safe threshold (approximately 120 V).
- A Protective Relay is a device that detects the fault and initiates the operation of the circuit breaker to isolate the defective element from the rest of the system.
Last updated on May 28, 2025
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