In the picture below, the two wires carry current i1 and i2, respectively, with

Question

In the picture below, the two wires carry current i1 and i2, respectively, with positive current to the right. The charge q is positive and has velocity v to the right.

A) If i1 = - i2, then the wires repel each other.

B) If i2 = - i1 then the force on q equals zero.

C) If i1 = 0 and i2 is greater than zero then the force on q is south.

D) If i1 = 0 and i2 is greater than zero, then the magnetic field near charge q points into the page.

E) If v = 0, then the force on q is zero.

F) If i1 is less than i2, then the force on q is south..

G) If i2 = 0 and i1 is greater than zero, then the force on q points into the page.

Explanation / Answer

A) If i1 = - i2, then the wires repel each other.

C) If i1 = 0 and i2 is greater than zero then the force on q is south.

E) If v = 0, then the force on q is zero.

F) If i1 is less than i2, then the force on q is south..

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