dear student
filament- conducting wire or thread with a high melting point, forming part of an electric bulb or thermionic valve and heated or made incandescent by an electric current.
internet -The Internet isa vast network that connects computers all over the world. Through the Internet, people can share information and communicate from anywhere with an Internet connection
sun -Sun isa huge star made up of extremely hot gases. It provides the pulling force that binds the solar system. It is the ultimate source of heat and light for the solar system
How electric bell is used?
An electric bell is a mechanical or electronic bell that functions bymeans of an electromagnet. When an electric current is applied, it produces a repetitive buzzing, clanging or ringing sound.
Though the sciences generally classify EM waves into seven basic types, all are manifestations of the same phenomenon.Radio Waves: Instant Communication. ...
Microwaves: Data and Heat. ...
Infrared Waves: Invisible Heat. ...
Visible Light Rays. ...
Ultraviolet Waves: Energetic Light. ...
X-rays: Penetrating Radiation. ...
Gamma Rays: Nuclear Energy
