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Test: Analog & Digital Electronics - 1 - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test GATE Electrical Engineering (EE) 2024 Mock Test Series - Test: Analog & Digital Electronics - 1

Test: Analog & Digital Electronics - 1 for Electrical Engineering (EE) 2024 is part of GATE Electrical Engineering (EE) 2024 Mock Test Series preparation. The Test: Analog & Digital Electronics - 1 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Analog & Digital Electronics - 1 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Analog & Digital Electronics - 1 below.
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Test: Analog & Digital Electronics - 1 - Question 1

A voltage V = 4 sin ωt is applied to the terminals A and B of the circuit shown in figure. The diodes are assumed to be ideal. The impedance offered by the circuit across the terminals A and B in kilo-ohms is

Test: Analog & Digital Electronics - 1 - Question 2

Consider the following limiter circuit an input voltage V| = 10.5 sinlOOnt is applied. Assume that the diode drop is 0.7 V in forward bias. The zener breakdown voltage is 6.3 V.

The maximum and minimum values of the output voltage respectively are

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 2

For +ve value of Vi, D1 is F.B and zener diode regulates the voltage at 6.3 V across it.
V0 = 6.3 + 0.7 = 7 V
and for negative half of V:, D2 is forward biased.
'    V0 = -0.7 V

Test: Analog & Digital Electronics - 1 - Question 3

In the saturation region of a BJT (Bipolar Junction Transistor)

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 3

Both junctions could be forward biased.

Test: Analog & Digital Electronics - 1 - Question 4

Given below is the Ic Vs VCE characteristic of two npn transistor P and Q having current gains β1 and β2 respectively.

Hard lines: Characteristics of P Dashed lines: Characteristics of Q

Which of the following is true?

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 4

β of Q should be >> β of P.

Test: Analog & Digital Electronics - 1 - Question 5

The thermal run-away in a CE-transistor amplifier can be prevented by biasing in such a wav that.

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 5

It is derived from the basic condition.

Test: Analog & Digital Electronics - 1 - Question 6

IDSS = 8 mA Vp = -5 V, Assume Gate current » 0 all the capacitance used are of very large value. The voltage gain Av, is

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 6

Test: Analog & Digital Electronics - 1 - Question 7

If the differential voltage gain and the common mode voltage gain of a differential amplifier are 50-dB and 2-dB resDectivelv. then its common mode rejection ratio is

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 7

Test: Analog & Digital Electronics - 1 - Question 8

Which of the following instruments has a uniform scale?

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 8

In the PMMC type instrument, the deflection is directly proportional to the current flowing through the instrument, we get a uniform scale for the instrument. It gives a uniform scale of upto 270° or more.

Test: Analog & Digital Electronics - 1 - Question 9

Consider the following op-amp circuit with multiple stages:

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 9

I0 = kIi (current controlled current source).

Test: Analog & Digital Electronics - 1 - Question 10

Shown below is a positive feedback arrangement to generate sinusoidal oscillation 

 

Detailed Solution for Test: Analog & Digital Electronics - 1 - Question 10

 

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