For circuits used for transporting electric power, a low power factor implies large power loss in transmission.Explain.
full form of LCR circuit?
what is the definition of quality factor
Power factor of an ac circuit is 0.5. What will be the phase difference between voltage and current in the circuit?
why does a capacitor block dc nd allows ac????
a bulb and a capacitor are connected in series to A.C.source of variable frequency.how will the brightness of the bulb change on increasing the frequency of the A.C. source? give reason for your answer.
wht is sharpness of resonance in series LCR- circuit ? a resistor of 200 ohm and capacitor of 15 muF
are connected in series 1:0 220V:50Hz ac sorce
a> calculate current in circuit
b>
calculate voltage across resistor and capacitor. is the algebric sum of these voltages more than sorce voltage if yes how?
A series LCR circuit with L = 0.12 H, C = 480 nF, R = 23 Ω 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?
Show that in the free oscillations of an LC circuit, the sum of energies stored in the capacitor and the inductor is constant in time.
A series LCR circuit is connected to an A.C source of voltage V and angular frequency w.(omega.) When only the capacitor is removed, the current lags behind the voltage by a phase angle 'phi' and when only the inductor is removed , the current leads teh voltage by tha same phase angle. Find the current flowing and the average power dissipated in teh LCR circuit.? Please REply fast Please.
For circuits used for transporting electric power, a low power factor implies large power loss in transmission.Explain.
full form of LCR circuit?
what is the definition of quality factor
Power factor of an ac circuit is 0.5. What will be the phase difference between voltage and current in the circuit?
why does a capacitor block dc nd allows ac????
a bulb and a capacitor are connected in series to A.C.source of variable frequency.how will the brightness of the bulb change on increasing the frequency of the A.C. source? give reason for your answer.
ii. Calculate the value of additional capacitor which may be joined suitably to capacitor C that would make the power factor of the circuit unity.
wht is sharpness of resonance in series LCR- circuit ? a resistor of 200 ohm and capacitor of 15 muF
are connected in series 1:0 220V:50Hz ac sorce
a> calculate current in circuit
b>
calculate voltage across resistor and capacitor. is the algebric sum of these voltages more than sorce voltage if yes how?
A series LCR circuit with L = 0.12 H, C = 480 nF, R = 23 Ω 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?
Show that in the free oscillations of an LC circuit, the sum of energies stored in the capacitor and the inductor is constant in time.
A series LCR circuit is connected to an A.C source of voltage V and angular frequency w.(omega.) When only the capacitor is removed, the current lags behind the voltage by a phase angle 'phi' and when only the inductor is removed , the current leads teh voltage by tha same phase angle. Find the current flowing and the average power dissipated in teh LCR circuit.? Please REply fast Please.