16.35 The triangular-wave voltage source, shown in Fig. P16.35(b), is applied to the circuit in Fig. P16.35(a). Estimate the average power deliv- ered to the 50V2 0 resistor when the circuit is in steady-state operation. Figure P16.35 100 mH 10 µF (a) V: (V) 20 t (ms) (b)

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Amplitude modulation

A radio signal can carry information in the form of sound or image for broadcasting or communication. For it to be sent to a greater distance, the signal must be changed or modulated in some way. One of the easiest way is to change the amplitude of the signal with variations of the video or the audio signal. This is called Amplitude Modulaton. In this modulation information of message is carried in amplitude of carrier signal.