Posted inTransmission and distribution
Capacitor and its behaviour
Figure shows a capacitor consists of two pieces of metal (the plates) separated from each…
Posted inBasics
Energy stored in an inductor
Let us turn our attention to power and energy consideration for an inductor. The instantaneous…
Posted inBasics
Study of dc transients and steady state response of a series R-L circuit.
Ideal Inductor: Fig. shows an ideal inductor, like an ideal voltage source, has no resistance and…
Posted inBasics
Inductance calculation from physical dimension of coil
A general formula for the inductance of a coil can be found by using an…
Posted inBasics
Study of DC transients in R-L and R-C circuits
So far we have considered dc resistive network in which currents and voltages were independent…
Posted inBasics
Maximum Power Transfer Theorem
In an electric circuit, the load receives electric energy via the supply sources and converts…
Posted inBasics
The procedure for applying Thevenin’s theorem
To find a current through the load resistance (as shown in fig.(a)) using Thevenin’s theorem, the following…
Posted inBasics
Thevenin’s and Norton’s theorems in the context of dc voltage and current sources acting in a resistive network
A simple circuit as shown in fig is considered to illustrate the concept of equivalent…
Posted inBasics
Limitations of superposition Theorem
Superposition theorem doesn’t work for power calculation. Because power calculations involve either the product of…
Posted inBasics
Example of superposition theorem
Calculate the current flowing through the resistor 3Ω as shown in fig.(a), using the superposition theorem…