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Indicate the false statement: If SWR on a transmission line is infinite, the line is terminated in
- a)open circuit
- b)short circuit
- c)pure reactance
- d)complex impedance
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Indicate the false statement: If SWR on a transmission line is infinit...
If line is OC or SC or terminated in pure reactance, SWR is 1.
Most Upvoted Answer
Indicate the false statement: If SWR on a transmission line is infinit...
Explanation:
Standing Wave Ratio (SWR) is a measure of how well the load is matched to the transmission line. If the load is perfectly matched to the line, the SWR will be 1:1. If the load is not matched, the SWR will be greater than 1:1.
False statement: If SWR on a transmission line is infinite, the line is terminated in complex impedance.
Explanation:
- SWR of infinity means that there is a complete mismatch between the load and the transmission line.
- In such a case, the reflected wave from the load undergoes infinite reflections, leading to the formation of standing waves.
- This standing wave pattern on the transmission line can be seen as points along the line where the voltage and current are maximum or minimum.
- The load impedance that causes an infinite SWR would be a purely reactive component (capacitive or inductive).
- A complex impedance would not lead to an infinite SWR, as the magnitude of the impedance can be adjusted to achieve a better match with the line.
- Hence, option D is incorrect.
Conclusion:
In summary, if the SWR on a transmission line is infinite, the line is terminated in a purely reactive component, not a complex impedance.
Standing Wave Ratio (SWR) is a measure of how well the load is matched to the transmission line. If the load is perfectly matched to the line, the SWR will be 1:1. If the load is not matched, the SWR will be greater than 1:1.
False statement: If SWR on a transmission line is infinite, the line is terminated in complex impedance.
Explanation:
- SWR of infinity means that there is a complete mismatch between the load and the transmission line.
- In such a case, the reflected wave from the load undergoes infinite reflections, leading to the formation of standing waves.
- This standing wave pattern on the transmission line can be seen as points along the line where the voltage and current are maximum or minimum.
- The load impedance that causes an infinite SWR would be a purely reactive component (capacitive or inductive).
- A complex impedance would not lead to an infinite SWR, as the magnitude of the impedance can be adjusted to achieve a better match with the line.
- Hence, option D is incorrect.
Conclusion:
In summary, if the SWR on a transmission line is infinite, the line is terminated in a purely reactive component, not a complex impedance.
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Indicate the false statement: If SWR on a transmission line is infinite, the line is terminated ina)open circuitb)short circuitc)pure reactanced)complex impedanceCorrect answer is option 'D'. Can you explain this answer?
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