The fig above shows a conductor PQ carrying a current I in the direction shown. At a particular position near the conductor is a compass needle K. Neglecting the earth's magnetic field, the compass needle will
Attached Figure / Diagram
A
settle in any direction
B
settle in a fixed direction only if the conductor PQ is a magnetic material
C
settle in a fixed direction WHETHER the conductor PQ is a magnetic material OR NOT
D
be stationary
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #41689)