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# An electron and a proton travel with equal speeds and in the same direction, at 90o to a uniform magnetic field. They experience forces which are initiallyin opposite direction and differ by a factor of about 1840in the same direction and differ by a factor of about 1840identicalequal in magnitude but in opposite directions

A
in the same direction and differ by a factor of about 1840
B
equal in magnitude but in opposite directions
C
in opposite direction and differ by a factor of about 1840
D
identical
Solution
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#### As both of the particle having same speed and in the same field at same angle, they will be experiencing same force but in opposite direction as they are opposite in charge.

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