A carrier wave of peak voltage 20V is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 80%?
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A carrier wave of peak voltage $12 \mathrm{~V}$ is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of $75 \% ?$
A carrier wave of peak voltage $12 \mathrm{~V}$ is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 75\%? (a) $7 \underline{\mathrm{V}}$ (b) $6 \mathrm{~V}$ (c) $9 \mathrm{~V}$ (d) $8 \mathrm{~V}$
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Round 1
A carrier wave of peak voltage 12 V is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of 75 A. 6 V B. 9 V C. 4 V D. 15 V
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