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Question
Which of the following objects make use of an electromagnet?
Which of the following objects make use of an electromagnet?
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Solution
The correct option is D
An electric doorbell makes use of an electromagnet. An electromagnet works as a standard magnet (generating magnetic fields) but only with an electrical influence. When the power generation to an electromagnet stops, the production of the magnetic field also stops.
An electric doorbell makes use of an electromagnet. An electromagnet works as a standard magnet (generating magnetic fields) but only with an electrical influence. When the power generation to an electromagnet stops, the production of the magnetic field also stops.
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