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Physics CBSE Live product
Class 10 (2025-26)
Magnetic effects of electric current
Annual Revision III - Magnetic effects of current
6.
Components of the domestic electric circuit
Question:
5
m.
Give short answer to the following question:
Give in detail the working of fuse
The working of fuse are listed below:
A fuse is a unsafety device connected in parallel in an electric circuit.
A fuse is a safety device connected in series in an electric circuit.
A fuse is a unsafety device connected in series in an electric circuit.
A fuse is a safety device connected in parallel in an electric circuit.
It is made of a thick wire of low melting point.
It is made of a thin wire of low melting point.
It is made of a thick wire of high melting point.
It is made of a thin wire of high melting point.
When normal current flows, the fuse wire remains intact.
When high current flows, the fuse wire remains intact.
When very high current flows, the fuse wire remains intact.
When negligible current flows, the fuse wire remains intact.
Excessive current flows due to overload or short circuit, the fuse wire heats up.
Limited current flows due to the fuse wire expand.
Limited current flows due to overload or short circuit, the fuse wire heats up.
Limited current flows due to the fuse wire contract up.
The fuse wire breaks the circuit, and not protect appliances from damage.
The fuse wire contract, protecting appliances from damage.
The fuse wire expand, protecting appliances from damage.
The fuse wire melts and breaks the circuit, protecting appliances from damage.
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