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A band width of 5 MHz is available for A...

A band width of 5 MHz is available for AM transmission. If the maximum audio signal frequency used for modulating the carrier is not to exceed 5 kHz, how many stations can be broad cast within this band simultaneously without interfering with eachother?

A

200

B

300

C

400

D

500

Text Solution

Verified by Experts

The correct Answer is:
D
Bandwidth required for each station
`=2xx` maximum frequency of audio signal
`=2xx5`=10 KHz.
Number of stations which can be broadcast within bandwidth of 5 MHz.
`=(5MHz)/(10KHz)=(5000KHz)/(10KHz)=500`
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