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Hazards of Static Electricity MCQs Quiz Online PDF Download eBook

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MCQs on Hazards of Static Electricity PDF Download eBook

MCQ: To relieve the discomfort of allergy sufferers in homes, we use

  1. vacuum cleaner
  2. electrostatic air cleaner
  3. wind cleaner
  4. none of above

B

MCQ: Each bolt of lightning contains about

  1. 2500 J of energy
  2. 3000 J of energy
  3. 1500 J of energy
  4. 1000 J of energy

D

MCQ: A fire or an explosion may occur due to excessive build-up of electric charges produced by

  1. heat
  2. friction
  3. chemicals
  4. work done

B

MCQ: The major cause of fires and explosions in many places is

  1. heat
  2. thunderstorm
  3. static electricity
  4. automobiles

C

MCQ: To prevent lightning from damaging tall buildings, we use

  1. lightning conductors
  2. lightning capacitors
  3. lightning insulators
  4. lightning gases

A