Communication Systems Multiple Choice Questions and Answers 1 PDF Book Download

Communication systems MCQs, communication systems quiz answers, GCE A level physics test 1 to learn physics courses online. Radio waves multiple choice questions (MCQs), communication systems quiz questions and answers for admission and scholarships exams. Practice radio waves, analogue and digital signals, channels comparison career test for physics certifications.

Learn communication systems test with multiple choice question: as compared to sound waves frequency of radio waves is, with choices higher, lower, equal, and may be higher or lower for online bachelor degree. Practice jobs' assessment test for online learning radio waves quiz questions for physics major, competitive assessment tests.

MCQ on Communication Systems Test 1Quiz Book 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