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Diameter of antenna is doubled. The maximum range will ________

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Diameter of antenna is doubled. The maximum range will ________

(a) be doubled

(b) be halved

(c) become four times

(d) decrease to one fourth

This question was addressed to me in exam.

My question comes from Detection of AM Waves in chapter Amplitude Modulation of Analog Communications

1 Answer

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The correct option is (a) be doubled

To explain I would say: Range of antenna is directly proportional to antenna diameter. So if diameter of antenna is doubled its range also doubled.

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