Question: In an AM wave, the majority of the power is in _____________?

• 1. Lower sideband
• 2. Upper sideband
• 3. Carrier
• 4. None of the above

Question: If modulation is 100% then signal amplitude is ____________arrier amplitude?

• 1. Equal to
• 2. Greater than
• 3. Less than
• 4. None of the above

Question: In amplitude modulation, the _____________of carrier is varied according to the strength of the signal?

• 1. Amplitude
• 2. Frequency
• 3. Phase
• 4. None of the above

Question: In pakistan, ______________ modulation is used for radio transmission?

• 1. Frequency
• 2. Amplitude
• 3. Phase
• 4. None of the above

Question: Modulation is done in____________________.

• 1. Transmitter
• 2. Radio receiver
• 3. Between transmitter and radio receiver
• 4. None of the above

Question: In amplitude modulation, bandwidth is ____________ the audio signal frequency?

• 1. Thrice
• 2. Four times
• 3. Twice
• 4. None of the above

Question: At 100% modulation, the power in each sideband is _____________ of that of carrier?

• 1. 50%
• 2. 40%
• 3. 60%
• 4. 25%

Question: Overmodulation (amplitude) occurs when signal amplitude is _____________ carrier amplitude?

• 1. Equal to
• 2. Greater than
• 3. Less than
• 4. None of the above

Question: Over modulation results in ______________?

• 1. Weakening of the signal
• 2. Excessive carrier power
• 3. Distortion
• 4. None of the above

Question: An increase in gain, in most systems, leads to_____________?

• 1. smaller damping ratio
• 2. larger damping ratio
• 3. constant damping ratio
• 4. none of the above