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Which of the following does not cause standing waves?

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in Avionics by (87.0k points)
Which of the following does not cause standing waves?

(a) Short circuit

(b) Open circuit

(c) High frequency high power signal

(d) Impedance is not matched

I had been asked this question in homework.

This intriguing question comes from Standing Waves in portion Transmission Lines of Avionics

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The correct option is (c) High frequency high power signal

To elaborate: If the load at the end of a line is an open circuit or a short circuit or has an impedance other than the characteristic impedance of the line, the signal is not fully absorbed by the load. This causes the signal to get reflected back the line and cause a standing wave.

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