A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the half power frequencies of the circuit are?

A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacito

1.	A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the half power frequencies of the circuit are?
A.	50.53 Hz, 49.57 Hz
B.	52.12 HZ, 49.8 Hz
C.	55.02 Hz, 48.95 Hz
D.	50 HZ, 49 Hz
Answer» B. 52.12 HZ, 49.8 Hz

Discussion

No Comment Found

Related MCQs

In a series RLC circuit R = 10 k , L = 0.5 H and C = ( frac{1}{250} ) F. Calculate the frequency when the circuit is in a state of resonance.
A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 50. If R and L are doubled and C is kept same, the new Q of the circuit is?
A circuit with a resistor, inductor and capacitor in series is resonant with frequency f Hz. If all the component values are now doubled, then the new resonant frequency will be?
A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the Q factor of the circuit is?
A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, what is the value of the capacitor?
At what frequency will the current lead the voltage by 30 in a series circuit with R = 10 and C = 25 F?
A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the half power frequencies of the circuit are?
A series RLC circuit has R = 50 , L = 0.01 H and C = 0.04 10-6 F. System voltage is 100 V. At this frequency, the circuit impedance is?
A series RLC circuit has R = 50 , L = 0.01 H and C = 0.04 10-6 F. System voltage is 100 V. The frequency, at which the maximum voltage appears across the capacitor, is?

A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the half power frequencies of the circuit are?

Discussion

No Comment Found

Related MCQs

Reply to Comment