The modulation frequency of an AM radio station is 250 kHz, which is 10% of the carrier wave. If another AM station approaches you for license what broadcast frequency will you allot? |
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(a) |
2750 kHz |
(b) |
2000 kHz |
(c) |
2250 kHz |
(d) |
2900 kHz |
The modulation frequency of an AM radio station is 250 kHz, which is 10% of the carrier wave. If another AM station approaches you for license what broadcast frequency will you allot? |
|||
(a) |
2750 kHz |
(b) |
2000 kHz |
(c) |
2250 kHz |
(d) |
2900 kHz |
==2500 kHz
∴Range of signal=2250 Hz to 2750 Hz
Now check all options:
for 2000 KHZ =200 Hz
∴Range =1800 kHz to 2200 kHz