In LCR series circuit a voltmeter is connected in turn acrosstheendsof R,LandC, and the voltages are found to be 192 V, 200V and 56 V respectively. Find the phase angle and hence the power factor of the circuit

In a series LCR circuit, voltages across an inductor,a capacitor and a resistor are 30 V,30 V and 60 V respectively. What is the phase difference between applied voltage and current in the circuit ?

Obtain an expression for power consumed in a LCR series circuit. Hence obtain an expression for power factor of the circuit.

A LCR series circuit has the impedance of 240 ohm. If R = 120 Omega , find the power factor of the circuit.

The amplifiers X , Y and Z are connected in series. If the voltage gains of X,Y and Z are 10, 20 and 30, respectively and the input signal is 1 mV (peak value.) Then what is the output signal voltage (peak value) If dc supply voltage is 10V ?

The amplifiers X , Y and Z are connected in series. If the voltage gains of X,Y and Z are 10, 20 and 30, respectively and the input signal is 1 mV (peak value.) Then what is the output signal voltage (peak value) If dc supply voltage is 5V ?

A npn transistor is connected in common emitter configuration in a given amplifier. A load resistance of 800 Omega is connected in the collector circuit and the voltage drop across it is 0.8 V. If the current amplification factor is 0.96 and the input resistance of the circuit is 192 Omega , the voltage gain and the power gain of the amplifier will respectively be

An a.c. consists of a resistor of 10W, inductor of 0.1 H and capacitor of 50 mF in series across a 50 V, 50 Hz supply. Determine power factor of the circuit.

A potentiometer circuit has been setup for finding. The internal resistance of a given cell. The main battery used a negligible internal resistance. The potentiometer wire itsefl is 4 m long. When the resistance, R , connected across the given cell, has value of (i) Infinity 9.5 Omega , (ii) the 'balancing length' , on the potentiometer wire are found to be 3 m and 2.85 m , respectively. The value of internal resistance of the cell is

An A.C. circuit of peak e.m.f. 200 V and of frequency 50 Hz contains an inductive of 0.1 H and resistance 10 Omega in series. Find the power factor and the power consumed in the circuit

In a series LCR circuit the phase difference between the v oltage and the current is 45^@ . Then the power factor will be