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Chapter 3 Questions
Chapter 3 Questions

... A 6 volt battery is connected across three resistances of 10 ohms, 15 ohms and 20 ohms connected in parallel. 1. The current through the separate resistances, when added together, equals the total current drawn from the battery 2. The current flowing through the 10 ohm resistance is less than that f ...
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... gy switches designed to fit within the access door of the tower.  Padmount load and fault interrupting switchgear designed and approved for interconnection with the utility grid  Reclosers designed to provide overcurrent protection at the interconnection with the utility grid permitting an econo ...
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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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