Magnetic Leakage and Fringing

Magnetic Leakage and Fringing: Magnetic Leakage and Fringing - Figure 10.28 shows a magnetized iron ring with a narrow air gap, and the flux which crosses the gap can be…

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Magnetic Circuit Problems

Magnetic Circuit Problems: 2.1 A square loop of side 2d is placed with two of its sides parallel to an infinitely long conductor carrying current I. The centre line of…

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Electrostatic Voltmeters

Electrostatic Voltmeters: In Electrostatic Voltmeters fields, the attractive force between the electrodes of a parallel plate capacitor is given by where, V = applied voltage between plates, C = capacitance…

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Circuits and Networks Articles

Circuits and Networks Articles: This Circuits and Networks Articles which includes the following topics: Electric Voltage Current Definition Power and Energy Formula Basic Components of Electric Circuit SI Unit of…

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Synchronous Machine Working Principle

Synchronous Machine Working Principle: Figure 5.2 shows the simplified version of an ac Synchronous Machine Working Principle with a 2-pole field winding on the rotor and a single coil aa'…

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Magnetic Circuit Calculations

Magnetic Circuit Calculations: Normally magnetic circuit calculations involve two types of problems. In the first type of problem it is required to determine the excitation (mmf) needed to establish a…

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BH Curve Relationship of Ferromagnetic Material

BH Curve Relationship (Magnetization Characteristic) for Ferromagnetic Material: In free space (also nonmagnetic materials), the permeability μ0 is constant so that BH Curve Relationship is linear. This, however, is not the…

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