Communication Systems Multiple Choice Questions and Answers PDF Download

Communication systems Multiple Choice Questions and Answers (MCQs), communication systems quiz answers pdf 1, GCE A level physics tests to study online certificate courses. Learn radio waves MCQs, "communication systems" quiz questions and answers for admission and merit scholarships test. Learn radio waves, analogue and digital signals, channels comparison career test for completely online college.

"As compared to sound waves the frequency of radio waves is" Multiple Choice Questions (MCQs) on communication systems with choices higher, lower, equal, and may be higher or lower for SAT test prep classes. Practice jobs' assessment test, online learning radio waves quiz questions for completely online college.

MCQs on Communication Systems Quiz 1 PDF Download

MCQ: As compared to sound waves the 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 the end of communication system, the 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