Communication Systems Multiple Choice Questions 1 PDF Download

Learn communication systems multiple choice questions (MCQs), A level physics test 1 for online learning, course exam prep. Practice radio waves MCQs, communication systems questions and answers on radio waves, analogue and digital signals, channels comparison test for online what is physics courses distance learning.

Free communication systems quiz online, self-study student guide has 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 fresh graduate jobs, internship important interview questions and answers with topics and subtopics. Study to learn online radio waves quiz questions with Cambridge physics MCQs for physics certification competitive exam prep.

MCQ on Communication Systems Test 1 Quiz PDF 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