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Transistor Tuned Amplifiers

In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then _______________?

August 11, 2021December 21, 2018 by admin
In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then _______________?

A. XL increases and XC decreases
B. XL decreases and XC increases
C. Both XL and XC increase
D. Both XL and XC decrease

Categories Transistor Tuned Amplifiers

At parallel resonance, the net reactive component circuit current is _______________?

August 11, 2021December 21, 2018 by admin
At parallel resonance, the net reactive component circuit current is _______________?

A. Capacitive
B. Zero
C. Inductive
D. None of the above

Categories Transistor Tuned Amplifiers

A resonant circuit contains ____________elements?

August 11, 2021December 21, 2018 by admin
A resonant circuit contains ____________elements?

A. R and L only
B. R and C only
C. Only R
D. L and C

Categories Transistor Tuned Amplifiers

At parallel resonance, the line current is_______________?

August 11, 2021December 21, 2018 by admin
At parallel resonance, the line current is_______________?

A. Minimum
B. Maximum
C. Quite large
D. None of the above

Categories Transistor Tuned Amplifiers

A tuned amplifier uses__________load?

August 11, 2021December 21, 2018 by admin
A tuned amplifier uses__________load?

A. Resistive
B. Capacitive
C. LC tank
D. Inductive

Categories Transistor Tuned Amplifiers

At series resonance, voltage across L is____________voltage across C?

August 11, 2021December 21, 2018 by admin
At series resonance, voltage across L is____________voltage across C?

A. Equal to but opposite in phase to
B. Equal to but in phase with
C. Greater than but in phase with
D. Less than but in phase with

Categories Transistor Tuned Amplifiers

A tuned amplifier is used in ___________ applications?

August 11, 2021December 21, 2018 by admin
A tuned amplifier is used in ___________ applications?

A. Radio frequency
B. Low frequency
C. Audio frequency
D. None of the above

Categories Transistor Tuned Amplifiers

The voltage gain of a tuned amplifier is____________at resonant frequency

August 11, 2021December 21, 2018 by admin
The voltage gain of a tuned amplifier is____________at resonant frequency

A. Minimum
B. Maximum
C. Half-way between maximum and minimum
D. Zero

Categories Transistor Tuned Amplifiers

At series resonance, the circuit offers____________ impedance?

August 11, 2021December 21, 2018 by admin
At series resonance, the circuit offers____________ impedance?

A. Zero
B. Maximum
C. Minimum
D. None of the above

Categories Transistor Tuned Amplifiers

A tuned amplifier is generally operated in ____________operation?

August 11, 2021December 21, 2018 by admin
A tuned amplifier is generally operated in ____________operation?

A. Class A
B. Class C
C. Class B
D. None of the above

Categories Transistor Tuned Amplifiers
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