An electron enters with a velocity $v$ to the right in a magnetic field $B$ , also to the right. What direction is the force $F$ on the electron?

An upward force

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A downward force

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A force to the left

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No force if felt

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Solution

The correct option is D No force if felt
According to the Fleming left hand rule, all the force, magnetic field and the velocity of the particle are mutually perpendicular to each other. As the field and the field are in the same plane so the particle will be not experiencing any force.

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