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Bates
Bates

...  Types of Resistance Wire  Certain applications employing heating elements (e.g., toasters) require a wire with greater resistance than common conductors.  More resistance will generate power dissipated as heat, without using excessive current.  Resistance wire is the name used to describe wires ...
Abstract - PG Embedded systems
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... modulating properties of liquid crystals (LCs). LCDs do not emit light directly. Liquid crystal displays (LCDs) are a passive display technology. This means they do not emit light; instead, they use the ambient light in the environment. By manipulating this light, they display images using very litt ...
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Paper Title (use style: paper title)
Paper Title (use style: paper title)

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Multiple Choice Questions

... (10) The resistance of a field coil may be correctly measured by using (a) a voltmeter and an ammeter (b) Schering bridge (c) a Kelvin double bridge (d) a Maxwell bridge (11) An analog instrument has output (a) Pulsating in nature (b) Sinusoidal in nature (c) Which is continuous function of time and ...
E = Voltage / I = Amps /W = Watts / PF = Power Factor / Eff
E = Voltage / I = Amps /W = Watts / PF = Power Factor / Eff

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Alternating current



Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.AC is the form in which electric power is delivered to businesses and residences. The usual waveform of alternating current in most electric power circuits is a sine wave. In certain applications, different waveforms are used, such as triangular or square waves. Audio and radio signals carried on electrical wires are also examples of alternating current. These types of alternating current carry information encoded (or modulated) onto the AC signal, such as sound (audio) or images (video).
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