A parallel resonant circuit has a capacitor of 500pF in one branch and inductance of 1.5mH plus a resistance of 40 ohms in the parallel branch.If the supply voltage is 20v find 1.resonant frequency,2.impedence of the circuit at resonance ,3.Q-factor of the circuit,4.line current at resonance(hint:Q=2πfL/R,Z=L/CR,I=V/Z)..... please help me with this guys
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An AC circuit is composed of a serial connection of:
a resistor with resistance 50 Ω,
a coil with inductance 0.3 H
and a capacitor with capacitance 15 μF.
The circuit is connected to an AC voltage source with amplitude 25 V and frequency 50 Hz. Determine the amplitude of electric current in the circuit and a phase difference between the voltage and the current.
Connection diagram
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