Advertisements
Advertisements
प्रश्न
How does a fuse protect the electric wiring (or an appliance) from being damaged?
उत्तर
Due to voltage fluctuations or insulation on the wire of cable gets worn and torn (breaks), the live wire comes in contact with the neutral wire and results in SHORT CIRCUIT. To prevent this damage, a fuse is used in the LIVE WIRE. The fuse wire gets heated up to the extent that it melts, a gap is produced in the live wire and the circuit becomes incomplete, no current flows and the appliance is saved.
APPEARS IN
संबंधित प्रश्न
Write true or false
Overloading of electric current in circuits can lead to short circuiting.
A fuse wire should have low .................
All wires used in electric circuits should be covered with
Fuse wire is an alloy of
Can we use copper wire as a fuse wire? Give reason.
State two circumstances when one may get an electric shock from an electrical gadget. What preventive measure must be provided with the gadget to avoid it?
Why is the heating coil placed in a circular porcelain plate in an electric stove?
State two advantages of ‘the ring system of house wiring’.
Why is the filament in an electric bulb coiled?
Where is a fuse placed in an electrical circuit? Name a material suitable for making a fuse wire.
