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Q. |
What is the frequency of the stereo sub carrier signal in FM broadcasting? |
A. | 19 khz |
B. | 45 khz |
C. | 55 khz |
D. | 38 khz |
Answer» D. 38 khz | |
Explanation: stereo broadcasting is made possible by using a subcarrier on fm radio stations, which takes the left channel and “subtracts” the right channel from it. a |
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