TS EAMCET 9-Sep-2020 Shift 2 Solved Paper

Section: Physics

Question : 120 of 160

Marks: +1, -0

The modulation index used in amplitude modulation of a message signal of peak voltage 10 volts is 0.5. By how much the peak voltage of the carrier signal be changed so as to obtain the modulation index of 0 .8, keeping the peak voltage of the message signal same as before.

increase by 7.5 V
reduce by 7.5 V
increase by 12.5 V
reduce by 12.5 V

Validate

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