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In an amplitude modulated signal the maximum amplitude is 15 volt and minimum amplitude is 5 volt, then amplitude of modulating wave will be
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$10 \mathrm{~V}$
Maximum amplitude $=A_m+A_C=15$ minimum amplitude $=A_m-A_C=5$ So $2 A_{\mathrm{m}}=20 ; A_m=10 \mathrm{~V}$
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