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AFCAT-EKT EE: Mock Test 3

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Question 1

The iron core material used at high frequencies in radio circuits is ____.

Question 2

The resistance of a conductor, when its temperature is increased ___________.

Question 3

A radio receiver has……... of amplification.

Question 4

The demand for a large increase in torque of a d.c. shunt motor is met by a………….

Question 5

The peak power supplied by peak load station is

Question 6

What type of earthing is used by transmission lines?

Question 7

Consider a uniform sphere of charge density

and radius b centered at the origin. The electric field at a radial distance r(r<b). according to gauss’s law. Is

Question 8

In graded-index multimode optical fibre the refractive index of the core is______.

Question 9

The maximum radiation for an endfire array occurs at

Question 10

The transfer function of the given Block Diagram is:

Question 11

Microwave IC’s

Question 12

A magnetic field of $Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image113.png$ T acts at right angles to a coil of area 100 $Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image038.png$ with 50 turns. The average induced e.m.f. in the coil is 0.1 V when it is removed from the field in s sec. The value of t is

Question 13

It is normally seen that the Two’s complement notation is used to represent:

Question 14

In a short-circuit test on a circuit breaker, the following readings were obtained on single frequency transient:
Time to reach the peak re-striking voltage = 50 μ sec
Peak re-striking voltage = 100 kV, the frequency of oscillations is

Question 15

The power of a heater is 500 W at

What will be its power at

Temperature coefficient of resistance is

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ESE & GATE EE General

Dec 13ESE & GATE EE