Communication Systems Multiple Choice Questions and Answers 1 PDF Download

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

Study communication systems quiz with multiple choice question (MCQs): as compared to sound waves frequency of radio waves is, for bachelor degree and masters in physics degree courses with choices higher, lower, equal, may be higher or lower for online fresh graduate jobs, internship important interview questions and answers with topics and subtopics. Practice skills assessment test to learn online radio waves quiz questions with Cambridge physics MCQs for physics certification competitive exam prep.

MCQ on Communication Systems Test 1Quiz 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