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SWR is 1 for ________

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SWR is 1 for ________

(a) Open or Short Circuit

(b) Open circuit only

(c) Short circuit only

(d) Series or Parallel Circuit

This question was addressed to me by my school principal while I was bunking the class.

This interesting question is from Generation of AM Using Amplifiers topic in portion Amplitude Modulation of Analog Communications

1 Answer

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The correct answer is (a) Open or Short Circuit

To explain: Standing Wave Ratio (SWR) is defined as the ratio of the maximum radio-frequency (RF) voltage to the minimum RF voltage along the line. If the line is open or short circuited, SWR is always 1.

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