tone signals at 100 Hz and 600 Hz frequencies with amplitudes of 1V and 3V, respectively, will be transmitted by modulating with DSB. The frequency of the carrier signal is 2 kHz. Which of the following statements are true? I. The bandwidth of the modulated signal is 1.2 kHz. ii. The dissipated power of the message signal on a 1ohm resistor (normalized) is 4.5 Watts.

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A message signal consisting of 2 tone signals at 100 Hz and 600 Hz frequencies with amplitudes of 1V and 3V, respectively, will be transmitted by modulating with DSB. The frequency of the carrier signal is 2 kHz. Which of the following statements are true?

I. The bandwidth of the modulated signal is 1.2 kHz.

ii. The dissipated power of the message signal on a 1ohm resistor (normalized) is 4.5 Watts.

iii. The frequency components of the modulated signal are at 1.7 kHz, 1.9 kHz, 2.1 kHz, 2.3 kHz.

a) All of above

b) only i

c) i and iii

d) only iii

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