Question

A charge Q moves parallel to a very long straight wire carrying a current I as shown. The force on the charge is

Answer 1

Explanation:

force is opposite to OX.right

Answer 2

Answer:

The magnetic field B, at the charge will be pointing into the page. Velocity v is upwards.

If you use right hand thumb rule

Where pointing finger(B) points into the page, ur thumb(v) points upwards. You'll observe that your middle finger (F) points to ur left gives you the direction of force.

It'll turn out to be. 'opposite to OX'