Question

Which of the following is used to find the direction of the magnetic lines of force around a conductor?
A.Bar Magnet
B.Magnetic Needle
C.Disc Magnet
D.Spherical Magnet.

Answer 1

(B) magnetic needle

path of magnetic field at a point is given by north end of magnetic needle of compass.

Answer 2

HEYAA MATE

HERE IS UR ANSWER

MAGNETIC NEEDLE

HOPE IT HELPS