Test: Analog & Digital Electronics - 2 - Electrical Engineering (EE) MCQ

Without feedback, the voltage gain is 40 and distortion is 10%, if feedback factor of -0.01 (negative feedback) is given to the amplifier, the distortion will be

An op-amp is used in the circuit as shown in the below figure. Current l₀ is

For the circuit shown in the below figure, the output F will be

Match List-1 (Types of gates) with List-ll (Values of propagation delay) and select
the correct answer-

Codes:
A B C D

The Booiean expression for the output Y in the logic circuit is

Consider the following:
Any combinational circuit can be built using
1.    NAND gates
2.    NOR gates
3.    EX - OR gates
4.    Multiplexers

Which of these are correct?

A 3-to-8 decorder is shown below:

All the output lines of the chip will be high, when all the inputs 1,2 and 3

The simplified form of a logic function

An n-bit A/D converter is required to convert analog input in the range 0 - 5V to an accuracy of 10 mV. The value of n should be

Consider the following statements in respect of ECL gate:
1.    Its switching speed is high
2.    It provides OR and NOR logic operations
3.    Its power dissipation is small as compared to other logic gates
4.    Its logic levels are compatible with other logic family gates

Which of these statements are correct?

In the circuit as shown in figure below, assuming initially Q₀ = Q₁ = 0. Then the states of Q₀ and Q₁ immediately after the 33rd pulse are

The three-stage Johnson-Ring Counter as shown below is clocked at a constant frequency of fc from the starting state of Q₀ Q₁Q₂ = 1 0 1. The frequency of outputs Q₀  Q₁  Q₂  will be

Which one of the following statements is not correct? Conversion of EXCESS-3 code to BCD can be achieved by using

Match List-1 (Circuit Symbols) with List-ll (Nomenclature) and select the correct answer using the codes given below:

List-1    List-ll

Codes:
A B C D

It is required to construct a 2ⁿ-to-1 multiplexer by using 2-to-1 multiplexers only. How many of 2-to-1 multiplexers are needed? 

Consider the following circuit:

Which one of the following gives the function implemented by the MUX-based diaital circuit?

Consider the following multiplication: (10w 1z)₂ x(15)₁₀ = (y0 10 11 001)₂ Which one of the following gives appropriate values of w, y and z?