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

Question

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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King 4 years 2021-07-30T10:09:56+00:00 1 Answers 25 views 0

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  1. Edana
    0
    2021-07-30T10:11:27+00:00
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    Answer:

    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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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )