A negative test charge is moving mear a long straight wire carrying a current. The force acting on the test charge is parallel to the direction of the current. The motion of the charge is:

Options

A. parallel to the wire opposite to the current
B. parallel to the wire along the current
C. away from the wire
D. towards the wire

Answer

D

Explanation

Given situation is shown in the figure
As we know
`vecF=q(vecvxxvecB)`
`vecF=-q_(0)(vecvxxvecB)`