Question

Forces acting on a stationary (object) charge Q in the magnetic field B is
A) BQV
B) BQ/V
C) BV/Q D) zero

Answer 1

Answer:

Force on stationary charge is constant magnetic field must be ZERO

Explanation:

As we know that the force on the charge in given magnetic field is

$F = q(\vec v \times \vec B)$

now we know that

v = 0

as charge is given at rest

so the magnetic force on the stationary charge is

$F = 0$

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Answer 2

Force acting on the object will be 0 N

So option (D) will be correct answer

Explanation:

We have given charge on the particle is Q

Magnetic field is B

It is given that object is at stationary so velocity of the charge particle v = 0

Force acting on charge particle in magnetic field is given by

$F=q(v\times B)$, here v is velocity and B is magnetic filed

As v = 0

So $F=q(0\times B)=0N$

So force acting on the charge particle will be 0

So option (D) will be correct answer  

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