What is the upper sideband frequency if the carrier frequency and the modulating signal frequency is 30 KHz and 80 Hz respectively?

What is the upper sideband frequency if the carrier frequency and the modulating signal frequency is 30 KHz and 80 Hz respectively? Correct Answer 30.8KHz

Upper sideband frequency = carrier frequency +modulating signal frequency = 3000Hz + 80Hz = 3080Hz = 30.8KHz.
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