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Manish Kumar Saini has Published 1394 Articles
Manish Kumar Saini
2K+ Views
The phase-electricity is produced by a 3-phase generator that has three separate but identical windings, which are called phases. The 3-phase windings of the 3-phase generator are displaced 120° apart from each other and rotate in a common uniform magnetic field. Therefore, a three-phase generator produces three voltages of the ... Read More
Manish Kumar Saini
7K+ Views
An ammeter is a measuring instrument which is used for the measurement of electric current in an electric circuit.An ammeter has a low resistance. The ammeter is connected in series with the load to measure the electric current flowing through it. As, the ammeter has a very low resistance, therefore ... Read More
Manish Kumar Saini
297 Views
Apart from the conventional methods of generating electricity (like thermal, hydroelectric, gas turbine, nuclear power etc.), there are also some alternative methods of generating electricity, which are as follows −Solar PowerThe electricity can be generated from the heat of the sun. In the solar power system, the energy of sunlight ... Read More
Manish Kumar Saini
7K+ Views
Electrical power is generated, transmitted and distributed in the form of 3-phase power because it has the following advantages over the single phase system −The three phase power has a constant magnitude while the power in single phase system is the function of supply frequency i.e. pulsates from zero to ... Read More
Manish Kumar Saini
8K+ Views
Absolute Magnetic PermeabilityThe absolute (or actual) magnetic permeability of a material is its conductivity for the magnetic flux. It is denoted by a Greek letter μ ‘(mu)’ and measured in Henry per meters (H/m). Thus, Absolute permeability of material, $$\mu=\mu_{0}\mu_{r}\:H/m$$Where, μ0 = absolute permeability of air or vacuum.μr = relative permeability ... Read More
Manish Kumar Saini
1K+ Views
Nodal Analysis is a method for determining the branch currents in a circuit. In this method, one of the nodes is taken as the reference node. The potentials of all the nodes in the circuit are measured with respect to this reference node.The nodal analysis is based on the Kirchhoff’s ... Read More
Manish Kumar Saini
414 Views
In this method, Kirchhoff’s voltage law is applied to a network to write mesh equations in terms of mesh currents. The branch currents are then found by taking the algebraic sum of the mesh currents which are common to that branch.Kirchhoff’s Voltage LawThe Kirchhoff’s voltage law (KVL) states that, the ... Read More
Manish Kumar Saini
1K+ Views
Thevenin’s Theorem is used, where it is desired to determine the current through or voltage across any one circuit element without going through the complex method of solving a set of network equations.Statement of Thevenin’s TheoremAny two terminal bilateral linear dc circuit can be replaced by an equivalent circuit consisting ... Read More
Manish Kumar Saini
18K+ Views
A practical voltage source consists of an ideal voltage source in series with an internal resistance (for an ideal voltage source, this internal resistance being zero, so that the output voltage becomes independent of the load current) While a practical current source consists of an ideal current source in parallel ... Read More
Manish Kumar Saini
18K+ Views
Consider the circuit consisting of R, L and C connected in series across a supply voltage of V (RMS) volts. The resulting current I (RMS) is flowing in the circuit. Since the R, L and C are connected in series, thus current is same through all the three elements. For ... Read More
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