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. If i_2 = - i_1 then the force on q equals zero. If i_2 = 0 and i_1 is greater than zero, then the magnetic field near charge q points out of the page. If i_2 = 0 and i_1 is greater than zero, then the force on q points into the page. If i_1 = 0 and i_2 is greater than zero then the force on q is south. If i_1 = - i_2, then the wires repel each other. If v = 0, then the force on q is zero. If i_1 is less than i_2, then the force on q is south.. Tries 6/12

Explanation / Answer

1. false

when i1 = - i2 . there is Net magnetic field pointing inward to the page at the location of charge and hence the charge will experience net magnetic force.

2. False

using right hand rule , magnetic field due to i1 is into the page

3.

True

4.

True ,

5.

True.

magnetic field by i1 at the location of i2 points in inward direction , hence using right hand rule magnetic force on i2 due to i1 is towards south

magnetic field by i2 at the location of i1 points in inward direction , hence using right hand rule magnetic force on i1 due to i2 is towards north

6.

True

since F = qVB

7.

True.

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