(Solved): Question 17 In amplitude modulation, bandwidth is.... the audio signal frequency A Twice B Three ...

Question 17 In amplitude modulation, bandwidth is.... the audio signal frequency A Twice B Three times Four times D) None of the above Question 18 Which of the following schemes consumes more power. A Unipolar NRZ B Polar NRZ C Differential Manchester D) AMI Question 19 Increasing the frequency of an analog signal leads to A An increase in the wavelength of the signal B An decrease in the wavelength of the signal A decrease in the number of cycles per second D An increase in the period of each cycle of the signal