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Free "Conductors and Insulators MCQ" App Download with MCQ: In conductors, electrons can flow because their; with answers: ions are free, protons are free, electrons are free, and negative ions are free. Solve Electrical Circuits and Electric Currents Quiz Questions, download Apple Book (Free Chapter) to access remote science education.

Conductors and Insulators MCQs PDF Download – Prep Test

MCQ 1: In conductors, electrons can flow because their:

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

MCQ 2: Poor conductor of electricity is:

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

MCQ 3: Ions are charged particles. They are formed when an atom:

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

MCQ 4: The materials that allow the electrons to flow through them is known as:

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

MCQ 5: An example in which light emitting diodes are used, is:

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

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