Conductors and Insulators MCQs Quiz Worksheet PDF Download

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MCQs on Conductors and Insulators Quiz PDF Download

MCQ. In conductors, electrons can flow because their

  1. ions are free
  2. protons are free
  3. electrons are free
  4. negative ions are free

C

MCQ. Poor conductor of electricity is

  1. silver
  2. aluminum
  3. water
  4. copper

C

MCQ. Ions are charged particles. They are formed when an atom

  1. gains electrons
  2. loses electrons
  3. gains or loses electrons
  4. shares electrons

C

MCQ. Materials that allow electrons to flow through them is known as

  1. insulators
  2. conductors
  3. electrolytes
  4. bases

B

MCQ. An example in which light emitting diodes are used, is

  1. calculator
  2. hard drive
  3. optical drive
  4. analog watch

A