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Which of the following will create a magnetic field? Choose all that apply.?

An ion moving at a constant velocity of 60 mph due north.

An electron that is stationary.

A neutron that is speeding up from 1000 m/s to 1200 m/s.

A neutrino moving in a circle while traveling at a constant speed of 20 in/min.

A proton that is slowing down from 500 km/h to 400 km/h.

1 Answer

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  • 1 decade ago
    Favorite Answer

    All of them, except for the neutrino that interacts only weakly.

    This is so because moving charges produce a magnetic field. And that includes the neutron which has a magnetic moment, showing it is a composite particle consisting of charged quarks.

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