Electrical Circuits and Electric Currents Multiple Choice Questions Test 1 Tests pdf Download

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

MCQs on Electrical Circuits and Electric Currents: Worksheets 1 Quiz pdf Download

MCQ. Tin cans are made by electroplating steel cans with

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

B

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

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

B

MCQ. When we turn on a light, charges flowing in wire are

  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