Magnetic fields help?

Question

Wut force will the rod that rests on the 2 parallell rails feel when the battery switch is closed

a. to the right

b. out of the page

c. to the left

d. into the page

http://s336.photobucket.com/albums/n343/physicsdude69/?action=view&current=phys2.jpg

Answer 1

It will go to the right, away from the battery.

I know this because of the right hand rule.

Just keep your fingers straight and your thumb pointing away from your fingers at a 90* angle. A line going directly from you finger tips will be the direction of the magnetic field. A line coming straight out of your palm will be the vector of the charge (or the direction of the current). And your thumb will be pointing in the direction of the force applied on that charge by a magnetic field. Heres a link if you don't understand