# If R, L, G and C are respectively the resistance inductance, conductance and capacitance per unit length of a transmission line, then the Heaviside condition for a distortionless transmission line is

1.  R/C=L/G

2.  RC = LG

3.  RL = CG

4.  None of these

4

RC = LG

Explanation :
No Explanation available for this question

# In L and C are inductance per unit length and capacitance per unit length of a lossless transmission line, then the velocity of propagation (υ) on this line is given by

1.

2.

3.

4.  None of these

4

Explanation :
No Explanation available for this question

# A transmission line is terminated in a certain load resistance which causes 9 percent of the incident power to be reflected from the load. The load end VSWR is

1.  3

2.  2.25

3.  2

4.  1.85

4

1.85

Explanation :
No Explanation available for this question

# In a transmission line-load mismatch, a VSWR of 2 was observed. If the incident power is 36 watts, the reflected power would be

1.  4 watts

2.  2 watts

3.  5 watts

4.  3 watts

4

4 watts

Explanation :
No Explanation available for this question

# The slotted line width of minimum technique was used to determine VSWR on two different co-axial cables. Then

1.  The line showing lower 3 dB width around the minimum has lower VSWR

2.  The line showing high 3 dB width around the minimum has higher peak amplitude of the voltage standing wave

3.  The peaks of the standing wave are farther apart in case of the line having lower 3 dB width around minimum

4.   The line showing lower 3 dB width around minimum has higher VSWR

4

The line showing lower 3 dB width around minimum has higher VSWR

Explanation :
No Explanation available for this question

# The velocity factor of a transmission line

1.  Mainly depends on the skin effect

2.  Is always higher for a solid dielectric than for ai

3.  Mainly depends on the dielectric constant of the material used

4.  Increases the velocity along the transmission line

4

Mainly depends on the dielectric constant of the material used

Explanation :
No Explanation available for this question

# With reference to transmission line, the normalized load impedance is determined by

1.  The product of load resistance and the characteristic impedance of the line

2.  Dividing the load resistance by characteristic impedance of the line

3.  Dividing the resistance value by 100

4.  None of these

4

Dividing the load resistance by characteristic impedance of the line

Explanation :
No Explanation available for this question

# A 50 Ω transmission line is terminated in a load impedance of (50+j 100)Ω. The normalized load impedance is

1.  (1+j2)Ω

2.   (2500+j 5000) Ω

3.  (0.5+j) Ω

4.  None of these

4

(1+j2)Ω

Explanation :
No Explanation available for this question

# In case of loss transmission line, the changing SWR is represented by

1.  An arc of a circle

2.  A circle

3.  An inward moving spiral

4.  None of these

4

An inward moving spiral

Explanation :
No Explanation available for this question

# A loss transmission line does not have a constant SWR at different points on the line. If the line is mismatched at the load end, the point on the line that has the maximum value of SWR is

2.  The generator end

3.  (λ/4) from the load end

4.  None of these

4