Uses of Electromagnets MCQs Quiz Worksheet PDF Book Download

Uses of electromagnets MCQs, uses of electromagnets quiz answers for online elementary school courses. Electrical circuits and electric currents multiple choice questions (MCQs), uses of electromagnets quiz questions and answers for online elementary education degree. Simple circuits, fuses and circuit breakers, electrical voltage, heat and light: resistance, conductors and insulators, uses of electromagnets test prep for elementary school teaching certification.

Learn science MCQs: a good permanent magnet should produce a high magnetic field with a, with choices high mass, low mass, dense mass, and thick mass for online elementary education degree. Free science student portal for online learning uses of electromagnets quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Uses of Electromagnets PDF Book 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 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, bell

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

D