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Capacitors
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A device for storing an electrical charge is called a capacitor or electrical condenser. in their simplest form consist of two metal plates, which are separated by a nonconducting layer called the dielectric. As one plate gets charged with a direct- current such as a positive charge, the other pl ....
Middle of essay
....ielectric. It is both high in its dielectric constant and insulation resistance. It is affected little by time and temperature. This time of capacitor is used in laboratories because of their stability and the relatively high values of capacitance for a given volume.
A type of capacitor that doesn't fall into one of those groups is an electrolytic capacitor, which has an oxide film formed on aluminum. This film is the dielectric and is very thin. This form of has a certain limitation. The .... |
| Number of words: 504 |
Approximate pages: 2 |
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