What is the bandwidth of a resonant circuit if its resonant frequency is 14.2 MHz, the inductive reactance is 3.5 k▲ and the coil's resistance is 8 ohm?

What is the VOUT/VIN ratio (expressed in dB)of an RLC series resonant circuit with the output across the inductor if the resonant frequency is 14 MHz, the source voltage is 12 V and the inductor drops 300 V?

What is the bandwidth of the resonant circuit if the resonant frequency is 1.42 MHz, the inductive reactance is 3.5 k▲ and the coil's resistance is 8 ohm?

What is the lower cut off frequency in an RLC resonant circuit if the inductive reactance is 1.2 k▲, the resonant frequency is 22 kHz and the resistance is 60 ▲?

What is the ratio of VOUT/VIN (expressed in dB)in an RLC series resonant circuit if the output voltage is taken across the inductor, the resonant frequency is 14 MHz, the source voltage is 18 V and the inductor drops 300 V?

The selectivity of a given band -pass filter has degraded significantly, yet the fr is within tolerance. Which of the following could have caused this?