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AFCAT-EKT-EE: Mock 4

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Question 1

Deforestation is one of the factors of environmental degradation which relates to:

Question 2

The Biot-Savart’s law is a general modification of:

Question 3

In following B-H curves shown, which option correctly shows magnetization in paramagnetic material?

Question 4

It is seen that a random process can be viewed as a function of:

Question 5

If reverse bias voltage in Fig. is increased, then I_CBO is………………

Question 6

Which one of the following is the best method of measurement of temperature of hot bodies radiating energy in visible spectrum?

Question 7

In a series R-L-C circuit, the “Q-factor” is given by

Question 8

Which of the following is essential for the reciprocity theorem to be applicable?

Question 9

The complex numbers z which satisfy

lie on

Question 10

Three lines as given below to find that each are coinciding at some definite points in the X-Y plane So, they were joined to form a closed figure. Find its Area
L1: 2x+3y=5
L2:4x+8y=12
L3:6x+5y=22

Question 11

The number of positive integers which can be formed by using any number of digits from 0,1,2,3,4,5 without repetition

Question 12

Find the number of ways in which 4 blue, 3 green and 2 red discs can be arranged in a rack if the discs color cannot be distinguished if placed in the disc rack.

Question 13

In a party every person shakes hands with every other person. If there are 105 hands Shakes, find the number of persons in the party?

Question 14

Quadratic equation with rational coefficients having

as one of its roots is given by ___

Question 15

Determine the value of m for which the equations

and

may have a common root.

Question 16

A man wants to cut three lengths from a single piece of board of length 66cm .The second length is to be 2cm longer than the shortest and the third length is to be twice as long as shortest .What are the possible lengths of the shortest board if the third piece is to be at least 4cm longer than the second?