Electrical Circuits and Electric Currents Multiple Choice Questions and Answers 7 pdf eBooks Download

Learn electrical circuits and electric currents MCQs, grade 7 science test 7, uses of electromagnets multiple choice questions and answers. Uses of electromagnets revision test has science worksheets, answer key with choices as passenger train, bullet train, maglev train and cargo train of multiple choice questions (MCQ) with uses of electromagnets quiz as another example of 'electromagnets' in trains is for competitive exam prep, viva interview questions. Free science study guide to practice uses of electromagnets quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz pdf Download Worksheets 7

MCQ. Another example of 'electromagnets' in trains is

  1. bullet train
  2. passenger train
  3. maglev train
  4. cargo train

C

MCQ. Turning off a switch also put bulb off, this is because circuit is

  1. cooled down
  2. not complete
  3. joined
  4. unbroken

B

MCQ. 'Earphones' are

  1. magnets
  2. small loudspeakers
  3. soft speakers
  4. magnetized speakers

B

MCQ. In 1 minute, 1kW electric fire uses 10 times as much energy as a

  1. 1W LED light
  2. 10W LED light
  3. 100W bulb
  4. 0.1W RC Car

C

MCQ. Electrons release energy in form of

  1. heat energy
  2. thermal energy
  3. sound energy
  4. light energy

B