Sample GATE Mock Test - Electronics & Communication (EC) - GATE MCQ
30 Questions MCQ Test - Sample GATE Mock Test - Electronics & Communication (EC)
Question 1 to 5 carry One Mark each
Q.
Even as the ________else where in the world are struggling, to come out of recession, Indian consumers are splurging on consumer goods and to ____________this growth, companies are investing heavily in various sectors.
In the olympic games, the flags of six nations were flown on the masts in the following way. The flag of
America was to the left of Indian tricolor and to the right of the flag of france. The flag of Australia was on
the right of the Indian flag but was to the left of the flag of Japan, which was to the left of the flag of China.
The two flags which are in the centre is
America was to the left of Indian tricolor and to the right of the flag of france. The flag of Australia was on
the right of the Indian flag but was to the left of the flag of Japan, which was to the left of the flag of China.
The two flags which are in the centre is
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From the given equilateral triangle below A, B and C run along the sides in clock-wise direction and stop after coming (1{1over 2}) sides. Which of the following statements is true?
In the following questions, a sent ence has been given in direct/indirect speech.
Nitin said to me, “why don’t you come with us? why do you want to be so unsocial.
Spotting the error
In order to transfer (a)/ branch licenses for one (b)/ bank to anot her you require special approval from RBI
(c)/ No error (d).
Question 6 to 10 carry Two Marks each
Q.
In an NGO, the daily average wages of 20 illiterate employee is decreased from Rs. 25 to Rs. 10. Thus the
average salary of all the literate (educated) and illiterate employees is decreased by Rs. 10 perday. The
number of educated employees working in the NGO is
Answer the question with the help of the following table
Q.
The ratio of the percentage share of Dairy Milk to that of other is
Answer the question with the help of the following table
Q.
If in the next year, Crackle and Dairy Mill decided to join hands and increase their market share from their
combined existing share by 20%. What will be their combined production if the mark size remains the same?
Simple interest on a certain amount is 9/16 of the principle. If the number representing the rate of intersest in percent and time in years be equal. Then time, for when the principal is lent out is,
If A is a square matrix of order 3 and |A| =1/2. The A (adj(A)) is
Question 11 to 35 carry One Mark each
Q.
If the probability for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
Eigen value of unit ary matrix are always
The linear approximat ion of e–x in the neighbourhood of x = 2 is
If 
, then the value of 
is
State equation of a cont rol system is given by
T he state transition matrix is .
Find the value of 'k' and 'a' to satisfy the frequency domain specification Mr = 1.04 and ωr = 11.55 rad/sec is
The current waveform across a 8H inductor is
The voltage wareform is
For the circuit shown in figure diode cut in voltage is Vin = 0. T he Ripple voltage to not more than Vrip= 4V.
The min load resistance(in k
), that can be corrected to the output is
____________________
A bidirectional 4-bit shift register is storing the nibble 1101. Its 
input is high. The nibble 1011 is waiting to be entered on the serial data-input line. After these clock pulses, the shift register is storing (in binary system) _________________
If ω0 is low, the autocorrelation of function 
approximately is, where ^ represent
triangle and 
The hole concentrat ion in P-t ype GaAs is given by
Where L = 10 μm. T he hole diffusion constant is 10cm2/sec. The hole diffusion current density at x = 5 μm
is
A circular conductor of radius r0 = 1 cm has an internal field
Total current in the conductor is
A video transmission system transmits 625 picture frames per second each frame consist of 400 x 400 pixel grid
with 64 intensity levels per pixel. The data rate (in Gbps) of the system is
__________________
The volt age vba in the circuit given below is
_________________
The common base amplifier is drawn as a two port in figure. The parameter are β= 100, gm = 3mS, r0= 800 k
The h parameter h21 is
______________
Impulse response of ZOH (zero order hold circuit) shown
Determine the equivalent noise temperature of both the amplifiers assuming the refference temperature of
20°C and compare with that of cascaded amlifier.
__________________
If the phase angle at gain crossover frequency is estimated to be –105°. What will be the value of phase
margin of the system?
Two identical co-axial circular coil carry the same current I but in opposite direction. The magnitude of
magnetic field B at a point on the axis midway between the coil is
The Phase and gain margin margins of the system shown in figure where k = 10 is
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