Q 12-08-165JEE MainJEE Main 2021 (26 Feb, Shift 2)Easy
If the highest frequency modulating a carrier is $5$ kHz, then the number of $AM$ broadcast stations accommodated in a $90$ kHz bandwidth are
Numerical value type. Enter your answer.
Answer: 9
Each AM station occupies a bandwidth of $2f_m = 2\times5 = 10$ kHz.
Number of stations $= \dfrac{90}{10} = 9$.
Solution by Sreeraj P, M.Sc Physics