An electron is moving from South to North in the plane of the paper in a region with a uniform magnetic field directed from West to East in the plane of the paper itself. Is it true that the direction of the magnetic field experienced by the electron is out of the plane of the paper?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
The index finger of the right hand represents the direction of the velocity of charge, the middle finger indicates the direction of the magnetic field, and the thumb indicates the direction of the force. By applying the right-hand thumb rule, the direction of the magnetic field is out of the plane of the paper. Thus, the direction of the magnetic field experienced by the electron is out of the plane.

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