An electron is moving along the positive x-axis. If uniform magnetic field is applied parallel to the negative z-axis, then A.The electron will experience magnetic force along positive y-axis B.The electron will experience magnetic force along negative y-axis C.The electron will not experience any force in magnetic field D.The electron will continue to move along the positive x-axis E.The electron will move along circular path in magnetic field Choose the correct answer from the option given below:

Question

An electron is moving along the positive x-axis. If uniform magnetic field is applied parallel to the negative z-axis, then A.The electron will experience magnetic force along positive y-axis B.The electron will experience magnetic force along negative y-axis C.The electron will not experience any force in magnetic field D.The electron will continue to move along the positive x-axis E.The electron will move along circular path in magnetic field Choose the correct answer from the option given below:, A and E only, C and D only, B and E only, B and D only

MARKS App · Accepted Answer

The Lorentz force is given by F → = q v → × B → = - e v → × B → So, F ^ = i ^ × k ^ = - j ^ . F → is along - y axis As the magnetic field is perpendicular to the velocity, motion would be circular.

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