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Beam width of antenna is expressed in ________

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Beam width of antenna is expressed in ________

(a) metres

(b) degrees

(c) radian

(d) volt

This question was posed to me in my homework.

My question comes from Modulation Using Non-Linear Devices (Balanced Modulator) topic in chapter Amplitude Modulation of Analog Communications

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Correct answer is (b) degrees

To explain: Angular separation between the two half-power (-3dB) points is known as beam width. It is usually expressed in degrees.

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