Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The maximum and minimum voltage of an amplitude modulated signal are and <img alt="\mathrm{20 \math

The maximum and minimum voltage of an amplitude modulated signal are \mathrm{60 \mathrm{~V}} and \mathrm{20 \mathrm{~V}} respectively. The percentage modulation index will be :

Option: 1

0.5 \%


Option: 2

50 \%


Option: 3

2 \%


Option: 4

30 \%


Answers (1)

best_answer

\mathrm{V_{\max }=60 \mathrm{~V} }

\mathrm{V_{\min }=20 \mathrm{~V}}
The percentage modulation index is

\mathrm{\mu \%=\frac{V_{\max }-V_{\min }}{V_{\max }+V_{\min }} \times 100}

\mathrm{=\frac{40}{80} \times 100}

\mathrm{=50 \%}

Hence (2) is correct option.






The correct option is (2)

Posted by

Info Expert 30

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2025: BTech CSE cut-offs for PwD candidates at NITs make entry easy; top institutes still selective
anam-khan

73 or 99 percentile? JEE Main result questioned, J-K candidate says, ‘Don’t create hype’
anam-khan

JEE Main 2025: 11 from Kota coaching centres among 24 students with 100 percentile

Latest Question