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Production of audio and video signals
Iconoscope is a type of camera consisting of a cathode ray beam and a photoelectric cell. The picture is scanned with the help of iconoscope. The degree of variations in the light intensity on different portions of the image is detected by photocells. These photocells convert the light signals into different electrical currents of corresponding intensity. These electrical signals are amplified and used for modulation. At the same time, sound waves are also converted into electrical signals, amplified and used for modulation.
One of the most important theorems in the quantum physics in the Pauli Exclusion Principle, which is based on the experiment observations. The principle explains that “No two elect
Energy is defined as internal capacity of doing work. When we call that a body has energy we denote that it can do work. Energy seems in many forms such as electrical, mechanica
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Your car gets 34.7 mi/gal on a trip. How many kilometers/liter did it get?
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While travelling in a straight line, a car uniformly alters its speed from 50 kilometres per hour to 110 kilometres per hour in 5 seconds. The acceleration of the car during
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