Home
Class 12
PHYSICS
A series LCR circuit with R = 20 Omega, ...

A series `LCR` circuit with `R = 20 Omega, L = 1.5 H` and `C = 35 mu F` is connected to a variable frequency `200 V` ac supply. When the frequency of the supply equals the natural frequency of the circuit, what is the average power in `kW` transferred to the circuit in one complete cycle?

Text Solution

Verified by Experts

2,000 W
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    NCERT TAMIL|Exercise ADDITIONAL EXERCISES|19 Videos

  • ALTERNATING CURRENT

    NCERT TAMIL|Exercise ADDITIONAL EXERCISES|19 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    NCERT TAMIL|Exercise EVALUATION (Exercises)|13 Videos

Similar Questions

Explore conceptually related problems

A series LCR circuit with R=20 Omega , L = 1.5 H and C = 35 muF is connected to a variable frequency 200 V ac supply. When the frequency of the supply equals the natural frequency of the circuit, what is the average power transferred to the circuit in one complete cycle?

A series LCR circuit with L = 0.12 H, C = 480 nF, R = 23Omega is connected to a 230 V variable frequency supply. a. What is the source frequency for which current amplitude is maximum? Obtain this maximum value. b. What is the source frequency for which average power absorbed by the circuit is maximum? Obtain the value of this maximum power. c. For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies? d. What is the Q-factor of the given circuit?

An LCR series circuit with L = 100 mH, C = 100 muF, R = 120 Omega is connected to an AC source of emf epsilon = (30 V) sin (100s^(-1))t . Find the impedane, the peak current and the resonant frequency of the circuit.

An LCR series circuit consists L = 80 mH, C = 60 muF and R = 15Omega . The combination is connected to a 230 V, 50 Hz AC supply. Calculate the impedance in the circuit.

An LCR series circuit with L = 80 mH, C = 60 muF and R= 100Omega is connected to a 230 V, 50 Hz AC source. Calculate the p.d. across L,C and R

Figure shows a series LCR circuit connected to a variable frequency 230 V source. L = 5.0 H, C = 80 muF, R= 40Omega a. Determine the source frequency which drives the circuit in resonance b. Obtain the impedance of the circuit and the amplitude of current at the resonating frequency. c. Determine the rms potential drops across the three elements of the circuit. Show that the potential drop across the LC combination is zero at the rasonating frequency .

A 100 Omega resistor is connected to a 220 V , 50 Hz are supply . a. What is the rms of current in the circuit ? b. What is the net power consumed over a full cycle ?

A sinusoidal voltage of peak value 283 V and frequency 50Hz is applied to a series LCR circuit in which R= 3 ohm L= 25.48mH C= 796 mu F. Suppose the frequency of the source can be varied. (a) What is the frequency of the source at which resonance occurs? (b) Calculate the impedance, the current, and the power dissipated at the resonant condition.

A circuit containing 80 mH inductor and a 60 muF capacitor in series is connected to a 230 V , 50 Hz supply has a resistance of 15 Omega . Obtain the average power transferred to each element of the circuit, and the total power absorbed.