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111.
Which of the following is a correct description of the diagram to the right?

A.  Current from A to B and force on wire is down

B.  Current from A to B and force on wire is up

C.  Current from B to A and force on wire is down

D.  Current from B to A and force on wire is up

         
The current goes from the positive terminal to the negative terminal of a battery.  The positive terminal is the long line and the negative terminal is the short line.

Current flows from B to A.

Using the Right-hand rule

1.   Point fingers in the direction of the current  (From B to A)

2.   Curve fingers in the direction of the magnetic field (From N to S)

3.   The thumb will point in the direction of the Force 

In this example the thumb and the Force is down.

The Correct Answer is C.