Question

The number of AM broadcasting stations that can be accommodated in a 100 kHz bandwidth if the highest frequency modulating a carrier is 5 kHz are

• A. 5
• B. 7
• C. 20
• D. 10

Answer 1

The correct option is D 10

$f_s=2f_m=2\times 5=10kHz$
No. of stations $\le \frac{BW}{f_s}=\frac{100}{10}=10$