Advertisements
Advertisements
प्रश्न
Out of the wires- live, neutral and earthing, on which line will you connect the fuse and the switch. Give reason for your answer.
Advertisements
उत्तर
Fuse and switches are always connected to the live wire so that when the switch is in off position no current flows through the app lia nee and its live and neutra I wires are at same potential. In case, excess current flows through the I ive wire, the fuse wire me Its and breaks the circuit; so no excess current flows through the appliance and it is protected against any dam age.
APPEARS IN
संबंधित प्रश्न
Flow of protons constitutes electric current.
A fuse is connected to the live wire.
The red colour insulated wire in a cable is the .............. wire.
Fuse wire is an alloy of
A fuse wire should have
Why is the metal covering of an electrical appliance earthed?
Name the material and type of wires for the following:
(a) Connecting wires for lighting
(b) Fuse wire
(c) Heating elements
(d) Connecting wires of a power line
(e) Earthing elements
Why is the filament in an electric bulb coiled?
According to the old convention, the colour of the earth wire is ______.
A power circuit uses a cable having three different wires. To which wire should the metallic case of the geyser be connected?
