When the downward current flows in a straight vertical conductor, the direction of its magnetic field at a point due north of the wire is?
A
Upward
B
North
C
South
D
West
Verified Correct Answer: D.
Physical Principles & Numerical Solution
At a point due N of the wire, the field is due west, at a point due S of the wire, the field is due eest.
Source: Myschool Past Questions Archive (Record #55058)