What is electric bulb and its parts?
Thin glass forms the exterior of the bulb, called the globe. It contains the filament which gives off light, a stem, which holds the filament, and a metal base that screws into a socket, such as in a lamp or ceiling fixture. The parts function together as one of the most successful inventions of all time.
What is an electric bulb class 7th?
The electric bulb (incandescent bulb) consists of a globe, the filament, connecting wires and a stem, a base and inert gases filled within it. The thin wire present inside the light bulb is named as the filament of the bulb. It is made of tungsten.
What is an electric bulb Class 6?
An electric bulb has a filament which is connected to the two terminals. The electric bulb glows when electric current passes through its filament.
What is a bulb and its function?
A light-bulb produces light from electricity. In addition to lighting a dark space, they can be used to show an electronic device is on, to direct traffic, for heat, and for many other purposes.
How does an electric bulb produce light Class 7?
Answer: When electric current passes through objects such as the filament of an electric bulb, the filament glows and produces light. Here, electrical energy is converted into light energy. This is the lighting effect of electric current.