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physics (simple question...need help pls!)

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The magnetic field is generated by:

A) an electron moving at constant speed in a straight line

B) a proton moving in a circle

C)a neutron moving in a circle

D) none

  • physics (simple question...need help pls!) -

    A and B are correct. Cannot you read Amperes Law, or Ampere's discovery? Moving charges (currents) generate magnetic fields. You need not post this again. Read for yourself: http://en.wikipedia.org/wiki/Magnetic_field

  • physics (simple question...need help pls!) -

    I Know, I did read it...But i am not provided with an answer choice of both. I am wondering, must the electron be moving in a straight line?

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