Multiple choice

Which of the following is not a practical use of an electromagnet?

  1. They are used in electrical appliances.

  2. It is used to measure resistance in an electric circuit.

  3. An electromagnet is used in television.

  4. They are used in magnetic separation of iron ores.

  5. They are used to prepare strong permanent magnets.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option. An electromagnet is not used to measure the resistance of an electric circuit.

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