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Electromagnetism:
A temporary magnet formed by winding a coil of insulated copper wire around a piece of shift iron is known as electromagnet. When current is passed it behaves as magnet.
Uses:
Electromagnets are used in electric bells, loud speaker, telephone receiver, televisions, radio sets, motors, dynamos and generators.
Determine about the rod in magnetic coil the rod is placed in a magnetic coil deliver alternating current, the rod suffers a change within length for each half cycle of alterna
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A toy train moves in a circle of 8 meters radius with a speed of 4 meters per second. What is the magnitude of the acceleration of the train? Ans: The magnitude of the acce
Give any two methods of electric lines of force. Sketch them for an isolated positive point charge.
what does it do?function?
Define Grand Lunar Canals (Moscow Phys-Tech)? In one of his book, H. G. Wells illustrate an encounter of amateur earthling astronauts with a lunar civilization living in very d
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What do you mean by dispersion of light? Write down the expression for the deviation produced by a thin prism?
The potential difference across the terminals of a cell when it is not supplying any current is known as it's emf.
Illustrate the working and principle of a nuclear reactor with the help of a labeled diagram?
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