# 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.

4 Explanation :
No Explanation available for this question

1.  Dipoles

2.  Yagi antennas

3.  Parabolic dishes

4.  None of the above

4

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

4

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

4

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

4

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

4

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

4

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

4

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

4

6

Explanation :
No Explanation available for this question

1.  1 ohm

2.  36.5 ohms

3.  73 ohms

4.  377 ohms

4