GATE ECE kind:question PYQs & Answers — Page 13

Home
GATE
Electronics and Communication Engineering
Topics
kind:question

Questions 121–130 of 715. Imported answers require independent review unless marked reviewed.

Topic practice 715 questionsPage 13 of 72

Consider a system represented by the block diagram shown below. Which of the following signal flow graphs represent(s) this system? Choose the correct option(s).

Diagram for Electronics and Communication Engineering question 56

Your answerSelect all correct options. You can choose more than one.

Diagram for Electronics and Communication Engineering question 56 (figure 2)

Diagram for Electronics and Communication Engineering question 56 (figure 3)

Diagram for Electronics and Communication Engineering question 56 (figure 4)

Diagram for Electronics and Communication Engineering question 56 (figure 5)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

All the diodes in the circuit given below are ideal. Which of the following plots is/are correct when

(in Volts) is swept from

Diagram for Electronics and Communication Engineering question 57

Your answerSelect all correct options. You can choose more than one.

Diagram for Electronics and Communication Engineering question 57 (figure 2)

Diagram for Electronics and Communication Engineering question 57 (figure 3)

Diagram for Electronics and Communication Engineering question 57 (figure 4)

Diagram for Electronics and Communication Engineering question 57 (figure 5)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Two fair dice (with faces labeled 1, 2, 3, 4, 5, and 6) are rolled. Let the random variable

denote the sum of the outcomes obtained.

The expectation of

is ______ (rounded off to two decimal places).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Consider the vectors

For real-valued scalar variable

, the value of

is __________ (rounded off to two decimal places).

denotes the Euclidean norm, i.e., for

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

and

are Bernoulli random variables taking values in

. The joint probability mass function of the random variables is given by:

The mutual information

is __________ (rounded off to two decimal places).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The diode in the circuit shown below is ideal. The input voltage (in Volts) is given by

, where time

is in seconds.

The time duration (in ms, rounded off to two decimal places) for which the diode is forward biased during one period of the input is __________.

Diagram for Electronics and Communication Engineering question 61

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In the circuit shown below, the AND gate has a propagation delay of 1 ns. The edge-triggered flip-flops have a set-up time of 2 ns, a hold-time of 0 ns, and a clock-to-Q delay of 2 ns.

The maximum clock frequency (in MHz, rounded off to the nearest integer) such that there are no setup violations is __________.

Diagram for Electronics and Communication Engineering question 62

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

An ideal p-n junction germanium diode has a reverse saturation current of 10

A at 300 K.

The voltage (in Volts, rounded off to two decimal places) to be applied across the junction to get a forward bias current of 100 mA at 300 K is ____.

(Consider the Boltzman constant

J/K and the charge of an electron

C.)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A 50

lossless transmission line is terminated with a load

If the average incident power on the line is 10 mW, then the average power delivered to the load (in mW, rounded off to one decimal place) is __________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Two resistors are connected in a circuit loop of area 5 m

, as shown in the figure below. The circuit loop is placed on the x-y plane.

When a time-varying magnetic flux, with flux-density

(in Tesla), is applied along the positive z-axis, the magnitude of current

(in Amperes, rounded off to two decimal places) in the loop is ________.

Diagram for Electronics and Communication Engineering question 65

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE ECE kind:question PYQs

Question 56

Question 57

Question 58

Question 59

Question 60

Question 61

Question 62

Question 63

Question 64

Question 65