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What is the primary purpose of an electric fuse in a household circuit?
Question

What is the primary purpose of an electric fuse in a household circuit?

A.

To reduce resistance in the circuits 

B.

To increase current flow

C.

To regulate voltage supply

D.

To prevent overloading and short circuits

Correct option is D

The correct answer is option (d) To prevent overloading and short circuits

Primary Purpose of an Electric Fuse in a Household Circuit:

The primary purpose of an electric fuse in a household circuit is to protect the circuit and appliances from overcurrent.

  • Overcurrent Protection: A fuse is designed to break the circuit if the current exceeds a safe limit, preventing damage to the wiring and appliances.
  • Working Principle: A fuse consists of a metal wire or strip that melts when the current flowing through it exceeds a specified value. This interruption of the circuit prevents potential hazards like overheating, short circuits, or fires due to excess current.

In summary, the electric fuse acts as a safety device to prevent electrical overload and avoid damage or fire in the household circuit.

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