Uses of Electromagnets MCQs Quiz Worksheet PDF Download

Learn uses of electromagnets MCQs in science quiz for test prep. Electrical circuits and electric currents quiz questions has multiple choice questions (MCQ), uses of electromagnets test as a good permanent magnet should produce a high magnetic field with a. Answer key help with choices as high mass, low mass, dense mass and thick mass problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice uses of electromagnets quiz with MCQs to find questions answers based online tests.

MCQs on Uses of Electromagnets Quiz PDF Download

MCQ. A good permanent magnet should produce a high magnetic field with a

  1. high mass
  2. low mass
  3. dense mass
  4. thick mass

B

MCQ. If someone carrying a knife or gun passes through a detector, it alters the rate of

  1. current
  2. voltage
  3. resistance
  4. magnetic field

D

MCQ. Another example of 'electromagnets' in trains is

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

C

MCQ. 'Earphones' are

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

B

MCQ. When small hammer is attracted by electromagnet, the bell

  1. sparks
  2. vibrates
  3. stops
  4. strucks

D