Institute of Industrial Electronics Engineering, PCSIR First year Spring Semester APPLIED PHYSICS EXPERIMENT # 02

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To study the characteristics of an acceptor circuit and determine unknown inductance. APPARATUS: Resistance, capacitors, inductor, a frequency generator/oscillator, an Oscilloscope, connecting wire... s, A.C. supply etc. THEORY: Acceptor Circuit Consider a circuit consisting of a resistor R, an inductor L, a capacitor all connected in series in an A.C. circuit. Then e.m.f. applied across such a circuit has to overcome opposition offered by all the above three circuit elements. Let I be the current flowing in the circuit at any instant then: -------- (1) Where E is the applied voltage and is given by E = Eo sinωt, ω is angular frequency = 2πf , and f is linear frequency of the applied voltage If Io be the max. current that flows through the circuit then solving equation (1) we will get: [Show More]

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