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Question

What does a capacitor do in a circuit?


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Solution

  1. A capacitor is a device that can store electrical energy.
  2. Energy stored in a capacitor is electrical potential energy.
  3. A capacitor is a two-conductor configuration separated by an insulating medium that carries charges of equal size and opposite sign.
  4. An electric insulator or vacuum, such as glass, paper, air, or a semi-conductor called a dielectric, can be used as the non-conductive zone.
  5. Between the plates of a capacitor, energy is stored in the form of electrostatic fields.
  6. Capacitors are commonly employed in circuits to block DC while allowing AC to pass through.
  7. Capacitors are used in analog filter networks, to smooth the output power supply.
  8. A polarized capacitor is a capacitor that runs a voltage across it in a certain polarity. These capacitors must be connected in a certain way in a circuit.
  9. Non-polarized capacitor definition is a type of capacitor that is not polarized which means this capacitor has neither positive polarity nor negative polarity. So it can be connected in any direction within a circuit.
  10. The given diagrams are the symbol of capacitors in the circuit.

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