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Amar Kumar 8 years ago
Mutual Inductance between the two coils is defined as the property of the coil due to which it opposes the change of current in the other coil.
A change in the current of one coil affects the current and voltage in the second coil is quantified in the property called mutual inductance.
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Amar Kumar 8 years ago
Combustion is a very rapid chemical process (as oxidation) that produces heat and usually light,slower oxidation.
Combustion means burning .It is a chemical reaction that involves the rapid combination of a fuel with oxygen.
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Amar Kumar 8 years ago
The precursor of any lightning strike is the polarization of positive and negative charges within a storm cloud. The tops of the storm clouds are known to acquire an excess of positive charge and the bottoms of the storm clouds acquire an excess of negative charge.
Lightning is due to the polarization of storm clouds. In the end, a storm cloud becomes polarized with positive charges carried to the upper portions of the clouds and negative portions gravitating towards the bottom of the clouds. The polarization of the clouds has an equally important effect on the surface of the Earth. The cloud's electric field stretches through the space surrounding it and induces movement of electrons upon Earth. Electrons on Earth's outer surface are repelled by the negatively charged cloud's bottom surface. This creates an opposite charge on the Earth's surface. Buildings, trees and even people can experience a buildup of static charge as electrons are repelled by the cloud's bottom.
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Amar Kumar 8 years ago
LC circuit:a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor,L, and a capacitor, C, connected together. The circuit can act as an electricalresonator, an electrical analogue of a tuning fork, storing energy oscillating at the circuit's resonant frequency. These oscillations are called LC oscillations.
For example, we investigated the effect of driving a mechanical oscillator with an external force, which leads to the phenomenon of resonance. We observe the same phenomenon in the LC circuit.
For example, a radio tuner has an LC circuit with a natural frequency, which we determine as follows: When the circuit is driven by the electromagnetic oscillations of a radio signal detected by the antenna, the tuner circuit responds with a large amplitude of electrical oscillation only for the station frequency that matches the natural frequency.
Posted by Ujjawal Sharma 8 years ago
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Priyanka Bohra 8 years ago
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