What is Phasor Diagram? Derive an expression for impedance and phase angle for series LCR a.c. circuit. How impedance differs from ohmic resistance?
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in rlc circuit we use phasor diagram it consist resistance capacitance and conductance all are perpendicular to each other
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Explanation: A phasor diagram is a graphic correlation between the 3 entities of the RLC circuit. It is represented by drawing straight lines which are usually made at an angle of π/2 or π/4, depending upon which quantity leads.
Leading here means being ahead by a phase difference. The phase difference can be found from the sinusoidal wave function.
The impedance can be found by using the formula
Z=√[(X^2)+(XL)^2]
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