Two long, straight wires are separated by 0.120 m. The wires carry currents of 6.1 A in opposite directions, as the drawing indicates. Find the magnitude of the net magnetic field at the points labeled (a) A and (b) B.
Given :
distance between the wires,
current in wires,
distance of point B from each wire,
distance of point A from wire 1,
distance of point A from wire 2,
Determine ;
magnitude of the net magnetic field at points -
(a) A
(b) B
Net magnetic field at any point can be determined as the resultant of the individual magnetic fields that are present there because the magnetic field is a vector quantity.
Direction of the magnetic field due to a wire can be determined by the right hand thumb rule.
Magnetic field at a point of r distance from the long wire -
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