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What is a Displacement Current : Formula & Its Significance

February 28, 2021 By Wat Electrical Leave a Comment

Displacement Current

In the field of electromagnetism, let us assume that the electric displacement field is given by D. The electric field can be observed across a conductor, or in a vacuum space. Vacuum in the sense if they assume that we have connected a capacitor, then the gap between the plates is assumed as a vacuum. After some time, once the capacitor is charged, even if we remove the source, there exists some amount of electric field across the plates of the capacitor. … [Read more...]

What is a Capacitor : Construction & Its Working

July 29, 2020 By Wat Electrical Leave a Comment

Capacitor Diagram

The word capacitance is derived from capacity, capacity is to contain, or store. a capacitor refers to a device that is capable of storing electrical energy. Unlike the storage of water which can be stored in ponds, lakes, tanks and our seas which are our almost unlimited reservoir of water we have very limited options for direct storage of electrical energy. As a matter of fact, we have only one option as a battery to store electrical energy in the form … [Read more...]

What is Ceramic Capacitor : Construction & Its Working

July 13, 2020 By Wat Electrical Leave a Comment

Ceramic Capacitor

The word capacitor comes from ‘capacity’ and a capacitor has the capacity to store electrical power. Capacitors are an integral part of electrical circuitry, in power circuits, their role as power factor improver and power storage device cannot be underemphasized. After batteries, the capacitor is the only device that can store electrical power. Capacitors are also used as power quality improver. However, in electronic circuitry, capacitors have many more … [Read more...]

What is a Capacitor Bank : Working and Its Calculation

June 23, 2020 By Wat Electrical Leave a Comment

Capacitor-Bank

When a number of capacitors are connected together it forms a capacitor bank. They can be connected in series or parallel. A capacitor bank has numerous advantages and applications. Most of the time, these are used for reactive power compensation and power factor improvement. The arrangement of these can be done at substation or power plants. The unit for capacitance in Farads. A capacitor bank of lower scale is frequently used in industrial buildings, … [Read more...]

What is Polyester Capacitor : Number Coding & Colour Coding

April 1, 2019 By Dave Leave a Comment

Polyester Capacitor

As a widely used electrical component capacitor plays an active role in the functioning of any circuit and without it the circuit design will not be completed. It is an important and useful component because it has features like energy storing capability, minimizing sudden voltage changes, selectivity of frequencies, bypassing of frequencies, phase shifting, etc. The Capacitor consists of two electrode plates which are separated by an insulating or … [Read more...]

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