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The carrier frequency of a transmitter is provided by a tank circuit of a coil of inductance 49pH and a capactiance of 2.5nF. It is modulated by an audio signal of 12kHz. The frequency range occupied by the side bands is: A 18kHz - 30kHz 63kHz – 75kHz C 442kHz – 466kHz D 13482kHz – 13494kHz

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