# Value of and conductor is as shown in figure, will be

1.  4π+2

2.  4π-2

3.  4π+3

4.  4π-3

4

4π-2

Explanation :
No Explanation available for this question

# Are of strip α≤θ≤β on spherical shell of radius a

1.  2απ(cos α-cos β)

2.  2πα2(cos α-cos β)

3.  2πα2(cos α+cos β)

4.  2πα(cos α+cos β)

4

2πα2(cos α-cos β)

Explanation :
No Explanation available for this question

# Which of the following is the equivalent circuit of aperture coupled lossy cavity

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Antena impedance when connected to a 150Ωloss-less with SWR=2.6 voltage maximum are 120cm apart and last maximum is 40 cm from antenna

1.  72+j72

2.  36+j36

3.  72-j72

4.  36-j36

4

72+j72

Explanation :
No Explanation available for this question

# Antena impedance when connected to a 90Ωloss-less with SWR=3, 1st and 2nd voltage maximum are located at 4cm and 16 cm from antenna

1.  37.62+j45Ω

2.  72-j37Ω

3.  37-j45Ω

4.  72+j37Ω

4

37.62+j45Ω

Explanation :
No Explanation available for this question

# Admittance of stub(shorted)that will match α ZL = 60+j40Ω, to 50Ω transmission line

1.  0.59=j 0.385

2.  0.58 +j 0.385

3.  0.78+j 451

4.  0.78-j 451

4

0.59=j 0.385

Explanation :
No Explanation available for this question

# Input impedance of a short circuited coaxial transmission line Z0 = 60Ω, β=j8.5/m length 15 cm

1.  j180Ω

2.  j190Ω

3.  j185Ω

4.  j197Ω

4

j197Ω

Explanation :
No Explanation available for this question

# Dielectric constant of non-magnetic material separating conductors inner radii as 1.2 mm and other radii as 4 min in a loss-less 60Ω coaxial line

1.  1.25

2.  1.35

3.  1.45

4.  1.85

4

1.45

Explanation :
No Explanation available for this question

# Impedance Z when a T. L with = 75Ω and a phase velocity of 200 mm/μ sec is terminated is an unknown impedance Z the frequency is 1 GHz and the voltage standing wave ratio on the line is 4. The distance of the first voltage minimum from the load end is 10 cm.

1.  12.75Ω

2.  18.175Ω

3.  24.75Ω

4.  30.75Ω

4

18.175Ω

Explanation :
No Explanation available for this question

1.  310+ j 399

2.  510+ j 399

3.  410+ j 399

4.  610+ j 399

4