Uses of Electromagnets MCQs Quiz Worksheet PDF Download

Uses of electromagnets multiple choice questions (MCQs), uses of electromagnets tesr prep for elementary school distance learning, online courses. Practice electrical circuits and electric currents multiple choice questions (MCQs), uses of electromagnets quiz questions and answers for 7th grade science homework help.

Study elementary school courses, online science degree programs MCQs: if someone carrying a knife or gun passes through a detector, it alters rate of, for online education degree with options current, voltage, resistance, and magnetic field for daily quiz questions with online cognitive learning portal for students of class 7. 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 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 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