Transistor Tuned Amplifiers

This is an MCQ-based quiz on Transistor Tuned Amplifiers.

This includes Radio frequency, Low frequency, and Audio frequency.

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What is the bandwidth of a resonant circuit with a frequency of 28 MHz and a Q of 80?

350KHz 30KHz 42.7KHz 57.05MHz

What is the resonant frequency of a 2.7-pF capacitor and a 33-nH inductor?

512MHz 720GHz 250MHz 533MHz

What is the Q factor for a 3-μH inductor with a total resistance of 45Ω at 90 MHz?

37.68 37.68Ω 29.22Ω 32.75Ω

What is the inductive reactance of a 40-μH coil at 18 MHz?

4000Ω 4522Ω 4522H 0

What happens to inductive resistance when operating frequency is increased?

Increases Decreases Remains constant Goes to infinite

A tuned amplifier uses ……………. load

Resistive Capacitive LC tank Inductive

A tuned amplifier is generally operated in ……………. operation

Class A Class C Class B None of the above

A tuned amplifier is used in …………… applications

Radio frequency Low frequency Audio frequency None of the above

Frequencies above …………… kHz are called radio frequencies

2 10 50 200

At series or parallel resonance, the circuit power factor is …………..

0 5 1 8

Quiz/Test Summary

Title: Transistor Tuned Amplifiers

Questions: 10

Contributed by:

Diego Mon, Mar 21, 2022 07:15 AM UTC

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