Which one of the following heater element is used in electric press?
The filament of an electric bulb is of tungsten because
The primary cell which is used in daily life is
Which is not a device based on the heating effect of electricity?
Fuse wire is made of
When a fuse is rated 8A, it means
From a power station, the power is transmitted at a very high voltage because –
When current is passed through an electric bulb, its filament glows, but the wire leading current to the bulb does not glow because
An electric bulb is filled with
Kilowatt-hour is the unit of