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Study "Uses of Electromagnets MCQ" App Download with MCQ: A good permanent magnet should produce a high magnetic field with a; with answers: high mass, low mass, dense mass, and thick mass. Solve Electrical Circuits and Electric Currents Quiz Questions, download Apple Book (Free Chapter) to access remote science education.

Uses of Electromagnets MCQs PDF Download – Prep Test

MCQ 1: A good permanent magnet should produce a high magnetic field with a:

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

MCQ 2: 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

MCQ 3: Another example of 'electromagnets' in trains is:

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

MCQ 4: 'Earphones' are:

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

MCQ 5: When small hammer is attracted by electromagnet, the bell:

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

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