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25 September, 09:27

The current in a wire increases from 5 A to 10 A, what happens to its magnetic field?

The field is twice as strong

the distance of a charged particle from a wire changes from 10 cm to 20 cm, what happens to its magnetic field?

the charge of a particle changes from 2 uC to - 2C, what happens to the force exerted on that particle?

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Answers (1)
  1. 25 September, 12:05
    0
    The first one is twice as strong

    The second one is half as strong

    The third one is the force is reversed

    Explanation: just did it
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