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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



Question ID - 50257 | SaraNextGen Top Answer

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

1 Answer
127 votes
Answer Key / Explanation : (b) -

==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

127 votes


127