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Series and Parallel Circuits
Series and Parallel Circuits

... Parallel Circuit: Resistors are said to be in parallel when they are connected at both ends, such that the potential difference applied across the combination is the same as the potential difference applied across an individual resistor. The current through each resistor depends on the resistor valu ...
High Power RF Lightning Protection
High Power RF Lightning Protection

Slide Link
Slide Link

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Mr. Sarver Review Questions 16 The current will flow only as long as
Mr. Sarver Review Questions 16 The current will flow only as long as

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KBBC – Microprocessor Controlled DC-DC Battery
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IOSR Journal of Electrical and Electronics Engineering PP 63-66 www.iosrjournals.org

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PWM Circuit Based on the 555 Timer
PWM Circuit Based on the 555 Timer

< 1 ... 1877 1878 1879 1880 1881 1882 1883 1884 1885 ... 2014 >

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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