JEE Main 2019 Physics question
Not in JEE or NEET syllabus
A message signal of frequency 100 MHz and peak voltage 100 V is used to execute amplitude modulation on a carrier wave of frequency 300 GHz and peak voltage 400 V. The modulation index and difference between the two side band frequencies are:
Answer: (A)
Solution
TOPIC NOT IN SYLLABUS: Communication Systems. μ = 100/400 = 0.25; sidebands at differ by Hz.