Question

Explain in brief how artificial satellites are used in the transmission of television program to large distances

Answer 1

Artificial satellites help in long distance transmission of television programs. The picture or sound to be transmitted is first converted into electrical signals. They are then converted into a special type of waves and transmitted in air from a transmitting antenna so as to reach the artificial satellite. The signals received are then amplified and re-transmitted by the instruments fitted on the satellite. The antennas fixed in a number of stations on the earth including those of cable operators receive the signals and re-transmit them. The television sets receive the signals and reconvert them in the form of images and sound.

Answer 2

Answer:

Communications satellite are artificial satellites used for the television program.

Explanation:

• An artificial satellite is an object made by people and launched into orbit using rockets.
• Satellite send telecommunications signals through a transponder which creates a connection between a source antenna (transmitter) and a receiver on Earth.
• There are thousands of satellites in Earth orbit in different size with its purposes owned by private and government.
• Communications satellites used for television, telephone, radio, internet, and military applications.
• Television is an effective medium among mass media for several reasons. Television brings us a connection with current events and affairs in a simplified manner to the public.

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