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AFCAT-EKT:ECE Mini Mock 3

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Question 1

If the dc value a rectified output is 300 volts and peak-to-peak ripple voltage is 10.4 volts, the ripple factor is:

Question 2

In general the gain of an amplifier is

Question 3

The intrinsic semiconductor becomes insulator at

Question 4

Thin film technology:

Question 5

Address line of 8086 Microprocessors is

Question 6

For the network graph shown in the figure given below, which one of the following is not a tree?

Question 7

The driving point impedance of the network shown in figure is

Question 8

Consider the following statements:
1. The coefficients in the polynomials

and

must be real and positive.
2. Poles and zeroes of

must be conjugate if imaginary or complex.
Which of these statements are associated with the driving point function

Question 9

Hysteresis is desirable in a Schmitt-trigger because

Question 10

The output of a NOR gate is :

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Feb 2ESE & GATE EC