Circuit theory 2 min read
Analysis of undriven(source free) series RC and RL circuits
Discharging of capacitor through resistor in source free series RC circuit. Or Analysis of undriven or source free series RC…
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Circuit theory 4 min read
Current through purely resistive circuit, inductance and capacitance
(i) Current through purely resistive circuit is in phase the applied voltage. (ii) Current through pure inductance lags applied voltage by 90o…
Circuit theory 4 min read
Phasor diagram for a series RLC circuit
RLC Circuit: Consider a circuit in which R, L, and C are connected in series with each other across ac…
Circuit theory 4 min read
Coupled Circuits
An electric circuit is said to be a coupled circuit, when there exists a mutual inductance between the coils (or inductors)…
Circuit theory 4 min read
Parallel Resonance
Parallel Resonance Circuit Diagram If the resonance occurs in parallel RLC circuit, then it is called as Parallel Resonance. Consider the…
Circuit theory 3 min read
Response of DC Circuits
If the output of an electric circuit for an input varies with respect to time, then it is called as time…
Circuit theory 2 min read
linear transformer
An alternating voltage can be raised or lowered as per requirements in the different stages of electrical network by using…
Circuit theory 2 min read
Expressions for Q-factor of inductor and capacitor
The resonance phenomenon is observed in ac circuits consisting reactive elements such as inductor and capacitor. These two elements are…
Circuit theory 2 min read
The step response of series RLC circuit
Details about the step response of series RLC circuit In series RLC circuit, there are two energy storing element which…
Circuit theory 10 min read
RESONANCE AND COUPLED CIRCUITS
SERIES AND PARALLEL RESONANCE THEIR FREQUENCY RESPONSE Series Resonance The basic series-resonant circuit is shown in fig. 1. Of interest…
