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ESE 2019 Technical (Analog Circuits: Quiz 2 )
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Question 1
In the circuit shown, an ideal germanium diode is in series with 0.7V dc source with forward resistance. What will be the output voltage of Germanium diode in negative half cycle, if diode is having forward resistance rf of 25 ohms?
Question 2
For a comparator circuit, which among the following statement is justified?
Question 3
Consider a circuit of an ideal diode in series with 0.7V dc source having a forward resistance. The diode is having a forward resistance rf of 25 ohms. Find the output voltage of germanium diode in positive half cycle?
Question 4
In a BJT circuit, capacitor CBE will result in:
Question 5
The transistors T1 and T 1 shown in the figure have a threshold voltage of 1 volt. The device parameters K1 and K2 of T1 and T2 36 μA/V2 and 9μA/V2 respectively. The output voltage V0 is nearly. (Vdd=5v)
Question 6
Consider the following statements:
The bias stability of an emitter-bias amplifier circuit improves by.
1) decreasing the value of RB.
2) increasing the value of RE.
3) decreasing the value of RE.
4) increasing the value of RB.
5) increasing the value of RC.
Which of the above statements are correct?
The bias stability of an emitter-bias amplifier circuit improves by.
1) decreasing the value of RB.
2) increasing the value of RE.
3) decreasing the value of RE.
4) increasing the value of RB.
5) increasing the value of RC.
Which of the above statements are correct?
Question 7
Assertion (A) - The small signal analysis of a transistor amplifier is done to obtain the current gain, voltage gain and the conversion efficiency of an amplifier.
Reason (R) – The small signal analysis of a transistor amplifier uses the small signal parameters of the transistor.
Reason (R) – The small signal analysis of a transistor amplifier uses the small signal parameters of the transistor.
Question 8
A change in the value of the emitter resistance Re in a differential amplifier.
Question 9
Narrow pulses with adjustable mark to space ratio can be obtained from square wave input signal by using which of the following?
1) Schmitt trigger
2) Monostable multivibrator
3) Clippers
Selected the correct answer using the code given below:
1) Schmitt trigger
2) Monostable multivibrator
3) Clippers
Selected the correct answer using the code given below:
Question 10
A power amplifier operated from 12 V battery gives an output of 2 W. The maximum collector current in the circuit is.
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Aug 30ESE & GATE EC
