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Open Circuit and Short Circuit Test on Transformer – Experimental Set-up & Procedure

The Open Circuit and Short Circuit Test on Transformer can be used to determine the efficiency and regulation of a transformer at any predetermined load for that we do not have to actually load the transformer. The parameters of the equivalent circuit of a transformer can be obtained by using the open circuit (O.C.) test […]

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What is Switch Mode Power supply (SMPS)? Working, Block Diagram & Circuit Diagram

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Figure 1: Basic of Switch Mode Power supply (SMPS).

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What is Reverse Bias of PN Junction Diode?

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When the anode terminal of a diode is connected to the negative terminal of voltage source and cathode to the positive terminal then the diode is reverse biased as shown in Fig. 1 (a) and its symbolic representation in Fig. 1 (b).

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What is Forward Bias of PN Junction Diode?

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Figure 1. When anode is connected to the positive terminal of a battery/voltage source and cathode to the negative terminal, then the diode is said to be forward biased as shown in Fig. 1 (a) and its symbolic representation is shown in Fig. 1 (b).

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VI Characteristics of PN Junction Diode

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Figure 1: V-I Characteristics of a PN Junction Diode. VI Characteristics of pn junction diode, is a graph between the voltage applied across the terminals of a device and the current that flows through it. Fig. 1 shows the V-I characteristics of a typical PN junction diode with respect to breakdown voltage (VBR). The complete V-I

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What is Mutual Inductance? Definition, Unit & Formula

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Figure 1: Setup to understand the concept of Mutual Inductance.

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What is Star Connection (Y Connection)? Phasor Diagram, Formula, Line & Phase (Voltage and Current)

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Figure 1.

What is Star Connection (Y Connection)? Phasor Diagram, Formula, Line & Phase (Voltage and Current) Read More »

What is Self Inductance? Definition, Unit & Formula

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Figure 1: Setup to understand the concept of self inductance.

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What is Lead Acid Battery? Construction, Working, Connection Diagram, Charging & Chemical Reaction

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Figure 1: Lead Acid Battery. The battery cells in which the chemical action taking place is reversible are known as the lead acid battery cells. So it is possible to recharge a lead acid battery cell if it is in the discharged state. In the charging process we have to pass a charging current through

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What is Admittance? Meaning, Definition, Formula, Unit & Applications

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The reciprocal of impedance \(\left( \frac{I}{Z} \right)\) is known as admittance and its symbol is Y. The unit in which it is measured is siemens (abbreviation, S) which is the admittance of the circuit whose impedance is one ohm. Figure 1: Admittance, conductance, susceptance.

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