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Analog Communication System MCQs

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Practice free Analog Communication System multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 280 questions — no login required.

Question 1easy

Human ear can detect sound intensities of the order of W/m2.

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Question 2easy

The unit of loudness is

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Question 3easy

Neper is decibel.

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Question 4easy

When power ratios are expressed in dBm, the reference power is

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Question 5easy

In a superhet broadcast receiver, the frequency of local oscillatoris the incoming signal frequency.

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Question 6easy

High intermediate frequency in a superhet receiver

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Question 7easy

If the carrier of a 100% modulated A.M. wave is suppressed, the power saving will be percent.

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Question 8easy

Modulation is the process of

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Question 9easy

Regarding amplitude modulation, which statement is false?

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