Ch. 15 capacitors
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alignment tool
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To adjust trimmern capacitors, turn the screw with them.
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can type electrolytic capacitor
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use different methods of plate construction
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capacitance
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the ability of a conductor to store energy in the form of electrically separated charges
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capacitive reactance
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A capacitor's opposition to the flow of current
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capacitor
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An electrical device used to store electrical charge.
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ceramic capacitor
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A type of capacitor that uses two parallel plates at a specific distance to store a charge due to electrical attraction.
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dielectric
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An insulator; a term that refers to the insulating material between the plates of a capacitor.
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dielectric constant
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Proportion by which the capacitance increases when an insulator is placed between the plates of a capacitor
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farad (F)
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unit of capacitance
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Fixed paper capacitor
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Made up of layers of of tinfoil. The dielectric is made up of wax paper. Wires extending from the ends connect to the foil papers
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mica capacitor
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are capacitors. They are made by stacking tinfoil plates together with thin sheets of mica as the dielectric
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RC circuit
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a circuit that contains resistance and capacitance
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rectangular oil filled capacitor
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hermetically sealed in a metal can and used in power supplies of radio transmitters and other electronic components
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rotor
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the rotating armature of a motor or generator
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stator
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mechanical device consisting of the stationary part of a motor or generator in or around which the rotor revolves
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tantalum capacitor
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Uses tantalum, instead of aluminum, for the electrode
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trimmer capacitor
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a typr of variable capacitor
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tubular electroytic capacitor
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a tubular type of capacitor
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variable capacitor
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Capacitor with a capacitance that can be adjusted by turning a shaft
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working voltage
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the largest voltage that can be applied to the capacitor without exceeding the dielectric strength of the dielectric material; aka breakdown voltage, rated voltage
