In amplitude modulation, sinusoidal carrier frequency used is denoted by ω c and the signal frequency is denoted by ω m . The bandwidth (∆ω m ) of the signal is such that ∆w m c . Which of the following frequencies is not contained in the modulated wave? (a) ω c (b) ω m + ω c (c) ω c - ω m (d) ω m

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Khimraj · Answer

Modulated wave contained frequencies of ω c , ω m + ω c , ω c - ω m So correct answer is (d) ω m Hope it clears.

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In amplitude modulation, sinusoidal carrier frequency used is denoted by ωc and the signal frequency is denoted by ωm. The bandwidth (∆ωm) of the signal is such that ∆wmc . Which of the following frequencies is not contained in the modulated wave?(a) ωc(b) ωm + ω c(c) ωc - ω m(d) ωm