Question

49. A short magnet of moment 6.4 A-m lies in the
magnetic meridian with north pole facing south
= 1.6 gauss). The distance between the two
neutral points is
(BH
1) 20 cm along the axial line
2) 20 cm along the equatorial line
3) 40 cm along the axial line
4) 40 cm along the equatorial line​

Answer 1

Answer:

Two parallel wires P and Q placed at a separation d=6m carry electric currents i

1

=5A and i

2

=2A in opposite direction as shown in figure. Find the point on the line PQ where the resultant magnetic field is zero

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