Lecture 10 RC Circuits.pptx - RC CIRCUITS What is a...

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RC CIRCUITS
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What is a Capacitor? A CAPACITOR is a device that stores electric energy thus stores electric charge. An electronic component Consists of two conductors separated by an insulator
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Capacitors General Uses: Time delays Filters Tuned circuits
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Capacitor Applications Capacitors have many applications: examples Computer RAM memory and keyboards. Electronic flashes for cameras. Electric power surge protectors. Radios and electronic circuits.
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Types of Capacitors Parallel-Plate Capacitor Cylindrical Capacitor A cylindrical capacitor is a parallel-plate capacitor that has been rolled up with an insulating layer between the plates.
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Capacitor construction Two metal plates Separated by insulating material ‘Sandwich’ construction ‘Swiss roll’ structure Capacitance set by... d A C
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Capacitors and Capacitance Charge Q stored: CV Q The stored charge Q is proportional to the potential difference V between the plates. The capacitance
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