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AFCAT-EKT EC: Mock Test 1
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Question 1
Which of the following expressions represent intrinsic concentration ni2?
Question 2
For microwave measurement by measurement of VSWR, which of the following is not true?
Question 3
The equation of the line through the point of intersection of the lines x – y + 4 = 0 and y – 2x – 5 = 0 and passing through the point (3, 2) is -
Question 4
A parallel-plate guide operates in the TEM mode only over the frequency range 0<f<3 GHz If the dielectric between the plates is Teflon ( then maximum allowable plate separation b is: -
Question 5
If an atom loses one or more electrons, it becomes ___________.
Question 6
From a pack of well shuffled cards, one card is drawn randomly. A gambler bets that it is either a diamond or a king. The odds in favour of his winning the bet will be?
Question 7
Y=X2 is a zero mean stationary Gaussian random process with auto correlation for , then find the value of ?
Question 8
How much increase in actual voltage gain corresponds to + 12 dB?
Question 9
Mean of n numbers given below is
Question 10
If the sum of the first ten terms of the series
is m, then m is equal to
is m, then m is equal to
Question 11
In the given question, what is the shorted terminal current in the equivalent current source?
Question 12
In any G.P. the first term is 2 and last term is 512 and common ratio is 2, then 5th term from end is-
Question 13
If receiver has an available power gain of 110 dB and a noise bandwidth of 100 MHz, the available output noise power of receiver is (T= 300 oK)
Question 14
Fermi energy level for p-type extrinsic semiconductors lies __________.
Question 15
Let denote the number of triangles which can be formed using the vertices of a regular polygon of n sides. If then n equals:
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ESE & GATE ECGeneralJun 9ESE & GATE EC