Answers

2015-07-28T20:44:28+05:30
Maxwell's screw rule is easy way to find the direction  of magnetic field with the help of direction of current . point your thumb finger towards the direction of current (up or down) ..and close your remaining 4 fingers inward , the direction of the fingers that is in-circled is  the direction of magnetic field. now see the pic point your thumb towards the direction of current , automatically your remaining fingers will point toward the direction of magnetic field .
0