Electrical Circuits and Electric Currents Multiple Choice Questions and Answers 41 PDF Download

Electrical circuits and electric currents multiple choice questions, learn grade 7 science online test prep 41 for elementary school online courses, distance learning for exam prep. Practice fuses and circuit breakers multiple choice questions (MCQs), electrical circuits and electric currents quiz questions and answers for science class for grade 7 science word problems with answers.

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MCQs on Electrical Circuits and Electric Currents Worksheets 41 Quiz PDF Download

MCQ: If we add a 13A fuse in a hair drier that requires 2A current, fuse will

  1. remain safe
  2. melt
  3. blow
  4. glow

A

MCQ: An example of 'semiconductor' is

  1. sulphur
  2. silver
  3. copper
  4. silicon

D

MCQ: The use of electrical energy

  1. costs money
  2. causes cancer
  3. causes heart disease
  4. lung cancer

A

MCQ: Passing through two bulbs is

  1. difficult for electrons
  2. easy for electrons
  3. difficult for protons
  4. easy for protons

A

MCQ: Coating an object such as key or nail with a thin layer of metal is a process called

  1. electrolysis
  2. electro coating
  3. electroplating
  4. electronic induction

C