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Uses of Electromagnets MCQ with Answers PDF

Uses of electromagnets Multiple Choice Questions (MCQ) to practice uses of electromagnets quiz answers PDF, 7th grade science worksheets for online degrees. Solve 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: 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. Solve 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

current
voltage
resistance
magnetic field

MCQ: Another example of 'electromagnets' in trains is

bullet train
passenger train
maglev train
cargo train

MCQ: 'Earphones' are

magnets
small loudspeakers
soft speakers
magnetized speakers

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

sparks
vibrates
stops
strucks