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Uses of Electromagnets MCQ Quiz Online

Learn Uses of electromagnets Multiple Choice Questions (MCQ) to practice uses of electromagnets quiz answers PDF to study online 7th grade science course. Electrical Circuits and Electric Currents Multiple Choice Questions and Answers (MCQs), Uses of Electromagnets quiz questions PDF for online certificate courses. "Uses of Electromagnets MCQ" PDF eBook: electrical circuits and currents, electric motors, chemical effect of electric current test prep for online school classes.

"A good permanent magnet should produce a high magnetic field with a" Multiple Choice Questions (MCQ) on uses of electromagnets with choices high mass, low mass, dense mass, and thick mass for online certificate courses. Study electrical circuits and electric currents quiz questions for online certificate programs for online classes.

MCQs on Uses of Electromagnets

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

high mass
low mass
dense mass
thick mass

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

magnetic field

MCQ: Another example of 'electromagnets' in trains is

bullet train
passenger train
maglev train
cargo train

MCQ: 'Earphones' are

small loudspeakers
soft speakers
magnetized speakers

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