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Question

Question: Identify the mathematical expression for amplitude modulated wave....

Identify the mathematical expression for amplitude modulated wave.

A

Acsin[{ωc+K1vm(t)}t+φ]A_{c}\sin\left\lbrack \{\omega_{c} + K_{1}v_{m}(t)\} t + \varphi \right\rbrack

B

Acsin{ωct+φ+k1vm(t)}A_{c}\sin\{\omega_{c}t + \varphi + k_{1}v_{m}(t)\}

C

{Ac+k2vm(t)}sin(ωct+φ)\{ A_{c} + k_{2}v_{m}(t)\}\sin\left( \omega_{c}t + \varphi \right)

D

Acvm(t)sin(ωct+φ)A_{c}v_{m}(t)\sin\left( \omega_{c}t + \varphi \right)

Answer

{Ac+k2vm(t)}sin(ωct+φ)\{ A_{c} + k_{2}v_{m}(t)\}\sin\left( \omega_{c}t + \varphi \right)

Explanation

Solution

: {Ac+k2vm(t)}sin(ωctφ)\{ A_{c} + k_{2}v_{m}(t)\}\sin(\omega_{c}t\varphi)