What will be the locus of a point on a thread unwound from a cylinder
AInvolute
BHelix
CStraight line
DCircle
AInvolute
BHelix
CStraight line
DCircle
Related Questions:
Which of the following situations is/are possible?
(a) Magnetic field lines can be parallel to each other.
(b) Magnetic field lines can be concentric circles.
(c) Magnetic field lines can intersect each other.