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1 April, 12:03

Which of the following changes will result in a stronger electromagnet?

A. Using a longer nail

B. Using a lower voltage

C. Using more coils of wire

D. Using a shorter wire

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Answers (2)
  1. 1 April, 13:15
    0
    The answer is going to be C
  2. 1 April, 13:21
    0
    The correct option is C. i. e. Using more coils of wire

    Explanation:

    The strength of an electromagnet can be increased in the following ways:

    1. By increasing the number of coils.

    2. By increasing the current/voltage

    3. Using an iron core, increases the strength of the electromagnet.
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