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Spherical Capacitor | Capacitance Of Spherical Capacitor Spherical Capacitor | Capacitance Of Spherical Capacitor :- In a spherical capacitor, there are two spherical conductors which are either concentric, or placed at a very large distance from each other. Therefore, we can divide a spherical capacitor into two parts as follows :- (a). A spherical…
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Effect Of Dielectric On Capacitance Effect Of Dielectric On Capacitance :- Suppose the charge densities on the plates of a capacitor are +σ and −σ respectively, and the distance between the plates is d. The entire space between the plates is filled with a dielectric material having dielectric constant εr . The dielectric material…
Dielectric Strength | What Is Dielectric Strength Dielectric Strength | What Is Dielectric Strength :- The maximum electric field that a dielectric material can withstand without breaking down is called the dielectric strength of that material. The potential difference between the plates of the capacitor, From the above equation, we see that to store…
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Electric Polarization | What Is Electric Polarization Electric Polarization | What Is Electric Polarization :- When a non-polar dielectric material is placed in an external electric field , the centre of positive charge experiences a force in the direction of the electric field , while the centre of negative charge experiences a force in…
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Dielectric Materials | What Are Dielectric Materials Dielectric Materials | What Are Dielectric Materials :- Insulators which, when placed in an external electric field, undergo a minute local displacement of charges are called dielectric materials. Dielectrics behave as insulators up to a certain maximum value of the electric field; however, if the magnitude of…
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Parallel Plate Capacitor Parallel Plate Capacitor :- It consists of two conducting plates of identical shape and equal area, between which an insulating medium (such as air, mica, glass, paper, etc.) is filled. The shape of the plates may be circular, rectangular, square, or any other geometrical form. Of these, one plate is placed…
Capacitance Of A Spherical Conductor Capacitance Of A Spherical Conductor :- When an isolated spherical conductor (solid or hollow) is given a charge, this charge is distributed uniformly over the outer surface of the conductor. The electric potential will be the same at every point on the surface of the spherical conductor. Let’s assume…
Capacitor | Principle Of Capacitor Capacitor | Principle Of Capacitor :- A capacitor is a device used to store a large amount of electric charge and electrical energy in a small space. In general, a capacitor consists of a pair of conductors carrying equal and opposite charges, separated by an insulating (dielectric) medium, which…
Transformer | What Is Transformer | Types Of Transformer Transformer | What Is Transformer | Types Of Transformer :- A transformer is a static electrical device that, through electromagnetic induction, transfers electrical energy at a constant frequency from one AC circuit to one or more other AC circuits, for the purpose of increasing the…
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Wattless Current | What Is Wattless Current Wattless Current | What Is Wattless Current :- The electric current that does not consume electrical power in a circuit is called wattless current or idle current. We know that in an AC circuit, the average power is equal to the product of the RMS voltage (Erms),…