(Answered) An electron travels at a speed of 20 x 104 ms through a

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An electron travels at a speed of 2.0 x 10⁴ m/s through a uniform magnetic field of strength 1.2 x 10^-3 T. What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field:

a) Are perpendicular

b) Make an angle of 45^o

c) Are parallel

d) Are exactly opposite?

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