A series LCR-circuit having L = 10 mH, `C = (400//pi^2)muF` and R = 55 ohm is connected to a 220 V variable frequency a.c. supply. Find the frequecy of the source, for which the average power absorbed by the circuit is maximum.

A series LCR-circuit having L = 10 mH, C = (400//pi^2)muF and R = 55 ohm is connected to a 220 V variable frequency a.c. supply. Calculate the value of maximum current amplitude.

A series LCR circuit with L=0.12H, C = 480 nF, R= 23 Omega is connected to a 230 V variable frequency supply. What is the source frequency for which average power absorbed by the circuit is maximum. Obtain the value of this maximum power.

A series circuit with L = 0.12H, C = 0.48 mF and R = 25 ohm, is connected to a 220V variable frequency power supply. At what frequency is the circuit current maximum ?

A series LCR circuit with L=0.12H, C = 480 nF, R= 23 Omega is connected to a 230 V variable frequency supply. What is the Q-factor of the given circuit?

A series LCR circuit with L=0.12H, C = 480 nF, R= 23 Omega is connected to a 230 V variable frequency supply. 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?

A series LCR circuit with R= 20 Omega ,L=1.5H 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 R = 20Omega (Ohm), L = 1,5H (Henry) and C= 35muF (Micro farad) is connected to a variable frequency 200 V (Volt) a.c. 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 ?