Electrical Circuits and Electric Currents Multiple Choice Questions 1 PDF Download

Practice electrical circuits and electric currents MCQs, grade 7 online science test 1, chemical effect of electric current multiple choice questions and answers. Chemical effect of electric current revision test has science worksheets, helping answer key with choices as tinplate, lead, tungsten and cobalt of multiple choice questions (MCQ) with chemical effect of electric current quiz as steel cans are made of for competitive exam prep, viva interview questions. Free science study guide to practice chemical effect of electric current quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz PDF Download Worksheets 1

MCQ. Steel cans are made of

  1. lead
  2. tinplate
  3. tungsten
  4. cobalt

B

MCQ. The pure piece of metal which is used to be plated, is made the

  1. anode
  2. cathode
  3. nematode
  4. posit rode

A

MCQ. To make the coil keep rotating, the current is reversed after every half turn by a device called

  1. brush
  2. commutator
  3. mutator
  4. carbon spring

B

MCQ. The charge flowing in the wire when we turn the light on, is

  1. positive ions
  2. negative ions
  3. electrons
  4. protons

C

MCQ. Miniature circuit breaker is a small

  1. fuse
  2. magnetic switch
  3. electromagnetic switch
  4. two way switch

C