In the picture below, the two wires carry current i_1 and i_2, respectively, wit

Question

In the picture below, the two wires carry current i_1 and i_2, respectively, with positive current to the right. The charge q is positive and has velocity v to the right. (It is midway between the two wires, as shown) ("North" is up the page, "East" is right, and so on.) For the statements below, select T-True, F-False. If the first is T and the rest F, enter TFFFF. If i_1 = +- i_2, then the force on q is zero. If i_1 = 0 and i_2 is greater than zero, then the force on q is north. If i_1 = - i_2, then the wires are attracted to each other. If v=0, and i_1 = 0 and i_2 is greater than zero, then the force on q is south. If ii is greater than i_2, then the force on q is north. If i_2 = 0 and i_1 is greater than zero, then the magnetic field near charge q points into the page.

Explanation / Answer

The right-hand rule says that there is a magnetic field that goes around a current carrying wire. so if the current is moving to the right in that picture, then the magnetic field would be curling out from the top of the page and going into the bottom of the page.You know, if you point your right thumb in the direction of the field then the way your fingers curl is the direction of the magnetic field. If one of the wires has no current, then it wouldn't have any magnetic field either. So...

A)False

B)True

C)True

D)False

E)False

F)False

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