anonymous
  • anonymous
In which direction does a magnetic force act on an electron that is moving in the positive x-direction in a magnetic field pointing in the positive z-direction? A) any direction in the xy-plane B) the negative y-direction c) the negative x-direction D) the positive y-direction a particle with charge q is at rest when a magnetic field is suddenly turned on. The field points in the z-direction. What is the direction of the net force acting on the charged particle? a) In the z-direction. b) There is no force on the particle. c) In the y direction d) In the x direction
Physics
schrodinger
  • schrodinger
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anonymous
  • anonymous
Are you familiar with the Fleming left hand rule? If you are, then you just need to apply it to the questions above. Note: a moving electron is equal to a electric current. Note: a non-moving electric particle will not experience the magnetic force if it is not moving (i.e. there is no electric current) Do you need further help?
anonymous
  • anonymous
for the 2nd question, i think the answer if there is no force since there is no velocity. for the 1st question, i did the right hand rule and got neg y direction, but im not sure if that's wrong since the particle is an electron.
anonymous
  • anonymous
For the second question, yes, there is no force as there is no current. For the first, isn't it the left-hand rule since this isn't a generator?

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