Advertisements
Advertisements
प्रश्न
Why is the filament in an electric bulb coiled?
एक पंक्ति में उत्तर
Advertisements
उत्तर
To have a high resistance, the filament wire is long and thin. To fit in a small space it is coiled.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
A switch is connected to the neutral wire.
Fuse wire is an alloy of
A fuse wire should have
Which fuse wire is thick: 5 A or 15 A?
What do you mean by short-circuiting of a circuit?
Why is the metal covering of an electrical appliance earthed?
Usually three insulated wires of different colours are used in an electrical appliance. Name the three colours.
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
Name the colour code of the wire which is connected to metallic body of an appliance.
According to the old convention, the colour of the earth wire is ______.
