electricity, Physics

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discovery of electricity

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How is energy transformed in windmills? Essentially what occurs is that as the energy from the wind rotates the vanes of the mill, coils of wire move inside a permanent magnet

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how to find output voltage by using superposition theorem

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IONIC BOND Ionic bonding involves the transfer of electrons from an electropositive atom (an atom that tends to "donate" an electron) to an electronegative atom (an atom that t

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Give the basic construction of pentode Ans: Construction of Pentode:   Constructional details of a typical pentode are demonstrated in fig. (a)  and  fig. (b)  Pentode comp

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In a Newton's rings experiment in laboratory source of light having two wavelengths 6000Å and 4500Å is used. It is found that n th dark ring due to 6000Å coincides with

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Doppler Effect Describing the classical Doppler Effect for sound waves. The Doppler Effect is a means through that wave properties (specifically frequencies) are influenced thr

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Q. A capacitor of capacitance 2 μF is in an ac circuit of 1000 Hz. Compute the reactance of it. Solution: Capacitive reactance XC        = 1 / ω C = 1 / 2π ν C =

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The heating elements of electric irons are made of (A) Copper.        (B) Nichrome. (C) Constantan. (D) Aluminium. Ans: The heating components of electric irons ar

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