Electrical Circuits and Electric Currents Multiple Choice Questions and Answers 39 PDF Download

Learn electrical circuits and electric currents multiple choice questions, grade 7 science online test 39 for elementary school degree online courses, distance learning for exam prep. Practice electric motors multiple choice questions (MCQs), electrical circuits and electric currents quiz questions and answers for science class for 7th grade science test prep.

Study elementary school science multiple choice questions (MCQs): in dc motor, coil between two carbon rods or other contacts to which electric current is fed, is called, for free online courses with choices brushes, springs, mutators, and receptors, electric motors quiz with 7th grade science tests from textbooks with teaching resources and teaching guide questions. Free science study guide for online learning electric motors quiz questions to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Worksheets 39 Quiz PDF Download

MCQ: In DC motor, coil between two carbon rods or other contacts to which electric current is fed, is called

  1. springs
  2. brushes
  3. mutators
  4. receptors

B

MCQ: Coil sits between north and south pole of the

  1. electromagnet
  2. permanent magnet
  3. temporary magnet
  4. mechanical magnet

B

MCQ: Most of electric appliances get energy from

  1. cells
  2. batteries
  3. main supply
  4. dynamos

C

MCQ: Air and water can conduct electricity only, when they contain

  1. electrons
  2. protons
  3. ions
  4. photons

C

MCQ: Magnetic effect is present in

  1. track
  2. train
  3. track and train both
  4. wires above the train

C