1.

A strong magnetic field is applied on a stationary electron, thenA. moves in the direction of the field.B. remained stationary.C. moves perpendicular to the direction of the field.D. moves opposite to the direction of the field.

Answer» Correct Answer - B
As `vecF=vecq(vecv xx vecB)`
As the electron is stationary, `therefore` velocity `vecv=0`
`therefore" "vecF=0`. So, electron will remain stationary.


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