What is Capacitor | Details Discussion | Important Questions

The capacitor is, first of all, it is to say that it is an electrical component consisting of a dielectric current between two conductive sheets. This is a widely used component. The topic that will be in today’s writing?

What is a capacitor?

If the capacitor is to be spoken in simple terms, it can be compared to a lot of rechargeable batteries. Its charge capability is much lower.

In the textbook’s language, It is an electric device composed of a dielectric current between two conductive sheets.

Symbol of the Capacitor

what is capacitor

Capacitors SI single farad (F).One of the requirements is because the farad is very large

Microfarad (µF), Pico-Farad (PF) and nano farad (nF) are released.


Capacity is the religion of capacitor electrical energy saving. When there is a potential difference between the plates in the capacitor plate, the capacitor is in charge and discharge when there are no potentials.

Capacitance = C, Charge = Q, Potential difference = V,C=Q/V

Types of Capacitors:

Electrolytic capacitors

This is a high capacitor whose container is most commonly used. It is mainly used in radio filter bypass circuits but cannot be used on AC circuits.

what is capacitor

Ceramic Capacitor

The holdings of the Ceramic Capacitor are much lower. It is basically 1 pF to 1000pF and its maximum tolerance is 500 volts.

what is capacitor

Variable Capacitor or Variable Capacitor

The value of this capacitor can be reduced or increased as needed. This type of capacitor consists of more than one moving plate. The value of the plate can be reduced or increased by changing its position. This type of capacitor is used in radio tuning.

what is capacitor

Here are some brief questions about Capacitor:

Capacitors are an important component of electrical and electronics. Capacitors are needed to make the most of electronics projects.

The capacitor has several important questions that can come up for a job sibling or written exam. Today I will highlight all such possible questions.

1. What is a Capacitor?

It’s Bangla money holder which basically stores the electric charge for a while.

2. What is the role of the capacitor in the circuit?

Holds the charge for a moment. It can easily be compared to a battery. The battery can hold the charge for a long time. This is usually done by filtering.

 3. Power supply What kind of capacitors are used

A good quality capacitor should be used on the power supply. Since the components will work depending on the power supply, good quality capacitors should be connected to the power supply.

Depending on the circuit, the capacitor voltage is used. If the capacitor value is not provided in a circuit, then the capacitor voltage must be adjusted to adjust the supply voltage value of the circuit.The capacitor voltage should not be more than the supply voltage.

4. How do I calculate the PF value of a capacitor?

The values of PF capacitors are expressed through the code.


101 means its value is 100 pf

102 This means it is 1000 pf or 1 nano farad standard

105 means 1000000 or it is 1 microfarad

That means the values in the 3rd house will be zero. It will get the value of the PF capacitor and its practical value will come out if it is changed later to nano, microfarad.


A capacitor is a very important component. Is there anything about capacitors that can’t be written down? If you have any questions regarding the Capacitor, please comment or message live or you can also message on Facebook.




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