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An electron experiences a magnetic force of magnitude 4.60 x 10-15 N when moving at an...

An electron experiences a magnetic force of magnitude 4.60 x 10-15 N when moving at an angle of 60.0° with respect to a magnetic field of magnitude 3.50 ´ 10-3 T. Indicate respective directions of magnetic field vector and the force vector. Find the velocity of the electron (its magnitude and direction).

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Answer #1

force is given as,

=

in this case, , , and

Direction of magnetic field will be towards right as shown in figure.

Direction of force will be perpendicular to both V and B , by right hand thum rule its direction will be into the page


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