A student uses the right-hand rule as shown. What is the direction of the magnetic field in front of the wire

closest to the student?

up

right

down

left

right is the correct answer to the given question .

Explanation:

In this question figure is missing

The main objective right-hand rule to decide the position of the magnetic force on the positive force acting, either the position of the thumb of a right hand with in position of v, the fingers throughout the position of B1, and a right angles throughout the position of F1 to the hand positions.

So    

1/0.14nm = 10^10/1.4 a lot