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A charged particle moves with constant v...

A charged particle moves with constant velocity in a region where no effect of gravity is felt but an electrostatic field `vecE` together with a magnetic field `vecB `may be present. Then which of the following cases are possible ?

A

`vec(E) != 0, vec(B) != 0`

B

`vec(E)!=0, vec(B) = 0`

C

`vec(E) = 0. vecB = 0`

D

`vecE = 0, vecB != 0`

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Knowledge Check

  • A charged particle would continue to move with a constant velocity in a region where.

    A
    `vecE= vec0, vecB ne vec0`
    B
    `vecE ne vec0, vecB ne vec0`
    C
    `vecE ne vec0, vecB= vec0`
    D
    `vecE= vec0, vecB= vec0`

  • A charge particle travels along a straight lines with a speed nu in a region where both electric field E and magnetic field B are present it follows that

    A
    `absE=nu absB` and the two fields are parallel
    B
    `absE=nu absB` and the two fields are perpendicular
    C
    `absB= nu absE` and the two fields are parallel
    D
    `absB= nu abs E` and two fields are perpendicular

  • A proton is observed to be moving with a constant velocity through a region of space. If E and B represent the electric and magnetic field respectively. This region of space may have

    A
    E=0 ,B=0
    B
    E=0 , B`ne0`
    C
    `Ene0` , B=0
    D
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