In the neutral point topic , what is the orientation of the magnet?
The orientation of the magnet here with respect to earth's magnetic field is the magnet is perpendicular to the earth's magnetic field.
3)Can we use Kirchhoff’s laws to both a-c. and d.c.?
-Yes, we can use Kirchhoff’s laws to both a.c. and d.c. It is because the
Conservation laws of charge and energy are followed by both a-c. and
d.c. Kirchhoff’s first law concludes the conservation of change and the
second law concludes the conservation of energy.