Rob asked in Science & MathematicsPhysics · 1 decade ago

An electron is moving north in a region where the magnetic field is south.?

The magnetic force exerted on the electron is:

A) zero

B) up

C) down

D) east

E) west

explain please

2 Answers

  • 1 decade ago
    Favorite Answer

    A) zero

    The cross product of two parallel or antiparallel vectors is zero, so if a charged particle moves in the same direction as the magnetic field, the magnetic force on the charged particle is zero.

  • 1 decade ago

    hmmm sorry i dont know

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