Communication Systems Multiple Choice Questions and Answers 1 PDF Book Download

Communication systems multiple choice questions (MCQs), communication systems quiz answers, GCE A level physics test prep 1 to learn A level physics, online college degrees courses. Radio waves MCQs with answers, communication systems quiz questions and answers for admission and merit scholarships test. 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