Transistor Tuned Amplifiers

In parallel resonance, there is _______________? A. Both voltage and current amplification B. Voltage amplificationsC. Current amplification D. None of the above

If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling? A. Loose B. Tight C. Critical D. None of the above

For frequencies above the resonant frequency, a parallel LC circuit behaves as a ____________ load? A. Capacitive B. Resistive C. Inductive D. None of the above

In series resonance, there is__________________? A. Voltage amplification B. Current amplification C. Both voltage and current amplification D. None of the above

Frequencies above ______________ kHz are called radio frequencies? A. 2 B. 10 C. 50D. 200

The Q of a tuned circuit refers to the property of_______________? A. Sensitivity B. FidelityC. Selectivity D. None of the above

In a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then________________? A. XL decreases and XC increases B. XL increases and XC decreases C. Line current becomes minimum D. None of the…

The Q of a tuned amplifier is 50. If the resonant frequency for the amplifier is 1000kHZ, then bandwidth is __________________? A. 10kHz B. 40 kHz C. 30 kHzD. 20 kHz

For frequencies above the resonant frequency , a series LC circuit behaves as a ____________load? A. ResistiveB. Inductive C. Capacitive D. None of the above

A class C amplifier always drives _____________load? A. A pure resistive B. A pure inductive C. A pure capacitiveD. A resonant tank