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What is the electrical analogue of the information produced by the source?

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in Physics – Class 12 by (135k points)
What is the electrical analogue of the information produced by the source?

(a) Attenuation

(b) Amplification

(c) Signal

(d) Modulation

This question was addressed to me in semester exam.

This question is from Basic Terminology Used in Electronic Communication Systems in division Communication Systems of Physics – Class 12

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Best answer
The correct choice is (c) Signal

Easy explanation: Signal is the electrical analogue of the information produced by the source. It may be defined as a single-valued function of time (that conveys the information) and which, at every instant of time, takes a unique value.

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