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  • Find the modulation index of an AM wave having variation where maximum amplitude of the AM

Find the modulation index of an AM wave having 8 \mathrm{~V} variation where maximum amplitude of the AM wave is 9 \mathrm{~V}.

Option: 1

0.8


Option: 2

0.5


Option: 3

0.2


Option: 4

0.1


Answers (1)

best_answer

\mathrm{\text { Varation }=V_{\max }-V_{\min }=8 \mathrm{~V} }

\mathrm{\quad V_{\max }=9 \mathrm{~V} }

\mathrm{\therefore V_{\min }=1 \mathrm{~V} }

\mathrm{\mu =\frac{V_{\max }-V_{\min }}{V_{\max }+V_{\min }}=\frac{8}{10}=0.8}

Hence 1 is correct option



 

Posted by

Shailly goel

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