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Communication — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysicsCommunication1 Mark
MCQ
Choose the correct statement for amplitude modulation
  • A
    Amplitude of modulating is varied in accordance with the information signal.
  • B
    Amplitude of modulated is varied in accordance with the information signal.
  • ✓
    Amplitude of carrier signal is varied in accordance with the information signal.
  • D
    Amplitude of modulated is varied in accordance with the modulating signal.
✓

Answer

Correct option: C.
Amplitude of carrier signal is varied in accordance with the information signal.
c
In amplitude modulation the amplitude of high frequency carrier wave is varied in accordance with message signal

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