The value of A matrix in X= AX for the system describe by the different equation Y+2Y+3Y=0, is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

Radar antenna are usually

1.  Dipoles

2.  Yagi antennas

3.  Parabolic dishes

4.  None of the above

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4
Correct Answer :

Parabolic dishes


Explanation :
No Explanation available for this question

A loop antenna may be of

1.  Square on triangular shape

2.  hexagonal shape

3.  circular shape

4.  all the above

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4
Correct Answer :

all the above


Explanation :
No Explanation available for this question

The minimum number of states necessary to describe the network shown in the figure in a state variable form is

1.   2

2.  3

3.  4

4.  6

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4
Correct Answer :

4


Explanation :
No Explanation available for this question

Gain of a current element is

1.   0db

2.  1.67 db

3.  1.76 db

4.  3 db

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4
Correct Answer :

1.76 db


Explanation :
No Explanation available for this question

A quarter-wave monopole at a frequency of one MHz has a length of

1.  1 meter

2.  75 meter

3.  150 meter

4.  225 meter

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4
Correct Answer :

75 meter


Explanation :
No Explanation available for this question

Gain of a half wave length antenna

1.  0 db

2.  1.761 db

3.  2.151 db

4.  10 db

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4
Correct Answer :

2.151 db


Explanation :
No Explanation available for this question

Consider the following statements regarding a linear system Y = f(x) 1. f(x1+x2) = f(x2) 2. F[x(t+T)] = f[x(t)]+f[x(T)] 3. f(Kx) = Kf(x) Of these statements:

1.  1, 2 and 3 are correct

2.  1 and 2 are correct

3.  3 alone is correct

4.  1 and 3 are correct

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4
Correct Answer :

1 and 2 are correct


Explanation :
No Explanation available for this question

Number of lobes on each side of a 3λ resonant antenna will be

1.  2

2.   3

3.  4

4.  6

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4
Correct Answer :

6


Explanation :
No Explanation available for this question

Radiation resistance of aantenna in free space is

1.  1 ohm

2.  36.5 ohms

3.  73 ohms

4.  377 ohms

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4
Correct Answer :

73 ohms


Explanation :
No Explanation available for this question
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