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ISRO EC Quiz 8 : Analog Electronics

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Question 1

Which of the following features are offered by a bipolar junction transistor amplifier in Darlington connection?
1) High voltage gain.
2) High input impedance.
3) High current gain.
Select the correct answer using the code given below:

Question 2

When a junction diode is used as a half- wave rectifier with purely resistive load and sinusoidal conduction angle (where Φ_i is the ignition angle corresponding to the cut-in voltage)?

Question 3

Consider the following:
1) Oscillator
2) Emitter follower
3) Cascaded amplifier
4) Power amplifier
Which of these use feedback amplifiers?

Question 4

Which one of the following gain equations is correct for a MOSFET common-source amplifier? (g_m is mutual conductance, and RD is load resistance at the drain).

Question 5

Which one of the following statements is correct? The rise time of an amplifier is

Question 6

Pulses of definite width can be obtained from irregular shaped pulses:

Question 7

The output of the below Op-Amp circuit is

Question 8

Which oscillator is characterized by a split capacitor in its tank circuit?

Question 9

Match List-I (Name of the circuit) with List-II (Property of the circuit) and select the correct answer using the code given below the lists:
List- I
A) Pre-amplifier
B) Power amplifier
C) Rectifier circuit
D) Purely resistive circuit
List- II
1) Non-linear circuit
2) Lumped. Linear, passive, bilateral, finite circuit.
3) Large signal amplifier
4) Small signal amplifier.

Question 10

Which of the following does not show non-linear V-I characteristics?

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ESE & GATE EC Analog Circuits

Feb 7ESE & GATE EC