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2016-05-19
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2017-01-19
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2018-08-16
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2019-01-30
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2019-04-25
Great customer service
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2024-09-17
It is good but follwoing features may…
It is good but follwoing features may make it much better1. Paragraph eraser would be a great value - right now eraser keeps the gaps between top and below lines. 2. Mass repalcement would be good - search a word or sentence and can replace entire document with new word or text.
2021-09-12
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2020-05-30
The program is easy
The program is easy. I use it to convert documents into templates and then I provide links with my fillable forms to my clients to complete and return. I highly recommend.
2025-07-02
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How do you create radio waves?
1) Electricity flowing into the transmitter antenna makes electrons vibrate up and down it, producing radio waves. 2) The radio waves travel through the air at the speed of light. 3) When the waves arrive at the receiver antenna, they make electrons vibrate inside it.
How radio waves are produced?
Like all other electromagnetic waves, radio waves travel at the speed of light in vacuum. They are generated by electric charges undergoing acceleration, such as time varying electric currents. Radio waves are generated artificially by transmitters and received by radio receivers, using antennas.
How are radio waves produced and detected?
A radio wave is generated by a transmitter and then detected by a receiver. An antenna allows a radio transmitter to send energy into space and a receiver to pick up energy from space. Transmitters and receivers are typically designed to operate over a limited range of frequencies.
How are radio waves produced Class 12?
Radio waves are produced by the accelerated motion of charges in conducting wires. They are used in radio and television communication systems. They are generally in the frequency range from 500 kHz to about 1000 MHz. Microwaves (short-wavelength radio waves), with frequencies in the gigahertz (GHz) range.
Who discovered radio waves?
Scottish physicist James Clerk Maxwell, who developed a unified theory of electromagnetism in the 1870s, predicted the existence of radio waves, according to the National Library of Scotland. In 1886, Heinrich Hertz, a German physicist, applied Maxwell's theories to the production and reception of radio waves.
How are radio waves produced GCSE?
Radio waves are produced when an alternating current flows in an aerial. They spread out and travel through the atmosphere. Another aerial is used as a detector. The radio waves produce an alternating current in it, with a frequency that matches that of the waves.
What is an example of a radio wave?
Radio waves are a type of electromagnetic radiation best-known for their use in communication technologies, such as television, mobile phones and radios. These devices receive radio waves and convert them to mechanical vibrations in the speaker to create sound waves.
What are some examples of radio waves?
AM broadcast radio, FM Broadcast radio, over the air Television, Police radios, fire departments radios, Taxi cab radios, Cell phones for voice and data, Wi-Fi, Bluetooth, Microwave ovens, Weather Radar, Aircraft Radar, Satellites, Cable TV systems use them, but they aren't waves in space, but in the cable.
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