Class 7 Courses

Class 7 Science Prep Tests

Class 7 Science Tests

Uses of Electromagnets MCQ with Answers PDF Download

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

The MCQ: A good permanent magnet should produce a high magnetic field with a PDF, "Uses of Electromagnets" App Download (Free) with high mass, low mass, dense mass, and thick mass choices for online certificate courses. Study electrical circuits and electric currents quiz questions, download Amazon eBook (Free Sample) for online classes.

Class 7 Science: Uses of Electromagnets MCQs PDF Download

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

A) high mass
B) low mass
C) dense mass
D) thick mass

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

A) current
B) voltage
C) resistance
D) magnetic field

MCQ: Another example of 'electromagnets' in trains is

A) bullet train
B) passenger train
C) maglev train
D) cargo train

MCQ: 'Earphones' are

A) magnets
B) small loudspeakers
C) soft speakers
D) magnetized speakers

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

A) sparks
B) vibrates
C) stops
D) strucks

Practice Tests: Class 7 Science Exam Prep

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