Question
A 500 Hz modulating voltage fed into an FM generator produces a frequency deviation of 2.25 kHz. If amplitude of the voltage is kept constant but frequency is raised to 6 kHz then the new deviation will be (a) 4.5 kHz(b) 54 kHz(c) 27 kHz(d) 15 kHz
       

Answer

(b) 54 kHz

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