Today we are going to discuss about information of capacitor
A capacitor is a electrical device that is stores electrical energy in an electric field. Capacitors are the passive electronic components with two terminals. The effect of a capacitor is known as capacitance.
What is a capacitor used for?
It is used to store energy electrostatically in an electric field.k
Capacitors are widely used in electronic devices to maintain power supply while batteries are being changed.
In electronic circuits Capacitors are widely used to perform variety of tasks, such as
In the capacitors contain at least two electrical conductors often in the form of metallic plates or surfaces separated by a dielectric medium. In which a conductor may be a foil, thin film, sintered bead of metal, or an electrolyte.
In that the nonconducting dielectric include glass, ceramic, plastic film, paper, mica, air, and oxide layers.That is increase the capacitor’s charge capacity.
A Capacitors are widely used as parts of electrical circuits in many common electrical devices. Unlike a resistors,an ideal capacitor does not dissipate energy, although real-life capacitors do dissipate a small amount (see Non-ideal behavior).
When across the terminals of a capacitor the electric potential, a voltage, is applied to ,
For example, when a capacitor is connected across a battery, an electric field develops across the causing dielectric net positive charge to collect on one plate and net negative charge to collect on the other plate. No of current actually flows through the dielectric. When there is a flow of charge through the source circuit. In that condition is maintained Sufficiently long, the current through the source circuit ceases.
- It can charge and accumulate energy quickly
- It can deliver the stored energy quickly
- It is losses are small compared to other storage medium
- It is long service life and low (or no) maintenance
- It is low energy capacity compared to batteries
- It is limited energy storage per dollar cost
- It is stored energy will eventually deplete due to internal losses
- Power conditioning,
- Signal coupling or decoupling
- Electronic noise filtering
- Remote sensing
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