Communication Systems Multiple Choice Questions Test 1 pdf Download

Practice A level physics test 1 with MCQ on radio waves online for learning. Practice communication systems multiple choice questions (MCQ) on radio waves, analogue and digital signals, channels comparison,. Free study guide has answering options 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 - 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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