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Communication Systems Multiple Choice Questions Test 1 Tests pdf Download

Practice communication systems multiple choice questions (MCQs), A level physics test 1 online to learn. Practice radio waves MCQs questions and answers on radio waves, analogue and digital signals, channels comparison with answers. Free communication systems study guide has answer key with choices as higher, lower, equal and may be higher or lower of multiple choice questions (MCQ) as as compared to sound waves frequency of radio waves is to test learning skills. Study to learn radio waves quiz questions to practice MCQ based online exam preparation test.

MCQ on Communication Systems Quiz pdf Download Test 1

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

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