(a) The output of an amplitude-modulated signal is shown in Fig. 3. AM Signal Ampplitude (V) iv. 15 10 5 5 -10 -15 0 Find the following: i. ii. iii. 0.005 0.01 Time (Second) Fig. 3 0.015 Amplitudes of the carrier signal Ac and the message signal Am. Modulation index 0.02 (2 marks) (2 marks) Power Pc of the carrier signal c(t), sideband power P, and total power Prif the load resistor R = 192 (6 marks) Sketch the angular frequency spectrum of the above amplitude modulated signal S(1) given that the frequency of the carrier signal and message signal are 5000 Hz and 100 Hz respectively. (5 marks)