Communication Systems Multiple Choice Questions and Answers 1 PDF Download

Communication systems multiple choice questions (MCQs), communication systems test prep to learn GCE A level physics quiz 1 for certificate programs online courses. Study radio waves multiple choice questions (MCQs), communication systems quiz questions and answers. Practice radio waves, analogue and digital signals, channels comparison career test prep for online what is physics courses distance learning.

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MCQ on Communication Systems Test 1Quiz PDF Download

MCQ: As compared to sound waves frequency of radio waves is

  1. lower
  2. higher
  3. equal
  4. may be higher or lower

B

MCQ: Decrease in strength of signal is known as

  1. tuning
  2. modulation
  3. attenuation
  4. amplification

C

MCQ: If frequency of modulated wave is less than frequency of carrier wave, then input signal is

  1. negative
  2. positive
  3. zero
  4. infinite

A

MCQ: At end of communication system, signal is converted from radio to

  1. sound
  2. mechanical energy
  3. kinetic energy
  4. potential energy

A

MCQ: Energy is lost in wires due to

  1. heating
  2. resistance
  3. conduction
  4. both A and B

D