Why is an electric fuse required in all electrical appliances? Physics Q&A (2024)

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An electric fuse is always connected in parallel in an electric circuit.Switches are always connected to:Fuse vs. Circuit Breaker: Key Differences - Hi-Lite Electric Inc.The requirement of a fuse is that it must be a/an:A.insulator with low melting pointB. conductor with low melting pointC. insulator with high melting pointD. conductor with high melting point

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Solution

Electric fuse in electrical appliances:
An electric fuse is a safety device that prevents excessive current flow in an electric circuit.
When there is a strong current supply or a malfunction in the electric connections, the fuse wire melts and breaks the electric circuit.
Therefore, the fuse wire is employed in the circuit to protect electrical appliances from damage by interrupting the flow of excess current.

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The position of switches and fuses - Electricity in the home - CCEA - GCSE Physics (Single Science) Revision - CCEA - BBC Bitesize

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Question 12

Why is an electric fuse required in all electrical appliances?

Q. A person connects too many electrical appliances to a single socket in his house. When all these electrical appliances connected to the single socket are switched on at the same time, the electric fuse of circuit blows off.
(a) What is the process of connecting too many electrical appliances to a single socket known as?
(b) Which effect of electric current is responsible for the blowing off of fuse wire?

Q. What type of electric fuse is used in electrical appliances like car stereos? Explain with the help of a labelled diagram.

Why is an electric fuse required in all electrical appliances? Physics Q&A (2024)

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