>
Exams
>
Physics
>
Amplifiers
>
in a transistor amplifier the voltage gain is
Question:
In a transistor amplifier, the voltage gain is
Show Hint
In amplifiers, the gain is usually frequency dependent.
AP EAPCET - 2023
AP EAPCET
Updated On:
May 15, 2025
same for all frequencies
high for high frequencies and low for low frequencies
low for high frequencies and high for low frequencies
low for high and low frequencies and constant at mid frequencies
Hide Solution
Verified By Collegedunia
The Correct Option is
D
Solution and Explanation
The voltage gain of a transistor amplifier typically remains constant at mid frequencies and varies at high and low frequencies.
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Amplifiers
Three identical amplifiers with each one having a voltage gain of 50, input resistance of 1 kΩ and output resistance of 250 Ω are cascaded. The open circuit voltage gain of the combined amplifier is
AP PGECET - 2024
Electronics and Communication Engineering
Amplifiers
View Solution
If the input to an OP-AMP comparator is a sine wave, then the output is a
TS PGECET - 2024
Electronics and Communication Engineering
Amplifiers
View Solution
To eliminate cross over distortion in Class B power amplifier, the circuit should have
TS PGECET - 2024
Electronics and Communication Engineering
Amplifiers
View Solution
A 'Class A' Common Emitter amplifier with \(V_{CC} = 20 \text{ V}\) draws a current I = 5A and feed a load of \(40\Omega\) through a step-up transformer N2/N1=3.16. Find the efficiency of the amplifier when it is properly matched for maximum power supply.
TS PGECET - 2024
Electronics and Communication Engineering
Amplifiers
View Solution
When the negative feedback is applied to an amplifier of gain 100, the overall gain falls to 50. If the same feedback factor is maintained, the value of the amplifier gain required for the overall gain of 75 is
TS PGECET - 2024
Electronics and Communication Engineering
Amplifiers
View Solution
View More Questions
Questions Asked in AP EAPCET exam
The voltage gains of two amplifiers connected in series are 8 and 12.5. If the voltage of the input signal is 200 \(\mu V\), then the voltage of the output signal is
AP EAPCET - 2025
Transistors
View Solution
If a straight current-carrying wire of linear density $0.12~\text{kg/m
$ is suspended in mid-air by a uniform horizontal magnetic field of $0.5~\text{T}$ normal to the length of the wire, then the current through the wire is (Neglect earth’s magnetic field)}
AP EAPCET - 2025
Magnetism and matter
View Solution
The equations for the displacements of two particles in simple harmonic motion are \( y_1 = 0.1\sin\left(100\pi t + \frac{\pi}{3}\right) \) and \( y_2 = 0.1\cos(\pi t) \) respectively. The phase difference between the velocities of the two particles at a time \( t = 0 \) is
AP EAPCET - 2025
Waves and Oscillations
View Solution
If the velocity at the maximum height of a projectile projected at an angle of \(45^\circ\) is \(20 \, \text{m/s}\), then the maximum height reached by the projectile is:
AP EAPCET - 2025
Rotational motion
View Solution
Steam at \( 100^\circ \)C is passed into \( 114 \) g of water at \( 30^\circ \)C. The mass of water present in the mixture when the temperature of the water becomes \( 70^\circ \)C is:
AP EAPCET - 2025
Thermodynamics
View Solution
View More Questions