Identify the mathematical expression for amplitude modulated wave,
(a) Acsin[{wc+K1Vm(t)}t+
]
(b) Acsin[{wct+
K2Vm(t)]
(c) Ac+K2Vmt}+sinwct+
]
(d) Ac Vm(t)sin[{wct+
)
Identify the mathematical expression for amplitude modulated wave,
(a) Acsin[{wc+K1Vm(t)}t+ ]
(b) Acsin[{wct+ K2Vm(t)]
(c) Ac+K2Vmt}+sinwct+ ]
(d) Ac Vm(t)sin[{wct+ )
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1 Answer
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This is a Multiple Choice Questions as classified in NCERT Exemplar
Explanation-equation of modulating wave is, m (t)= Amsinwmt
Carrier wave equation is Cm (t)= (Ac+Amsinwmt)sinwct
= Ac [1+ ]sinwct
Also = M
Cmt= (Ac+Ac )sinwct
Ac =K
Sinwmt= Vm
equation having phase
so equation is Ac+K2Vmt}+sinwct+ ]
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