Multiple choice

Which of the following are uses of electromagnets?

a. Cranes at the sea docks use electromagnets. b. Doctors use them for picking up tiny magnetic materials that have fallen in the eye. c. Doctors use electromagnets during ultrasonic treatments.

  1. only a and b

  2. only b and c

  3. only a and c

  4. a, b and c

  5. only a
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct answer as both are correct uses for electromagnets. Cranes at the sea docks use electromagnets. Doctors use them for picking up tiny magnetic materials that have fallen in the eye.

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