Magnetism Question 73
The direction of the null points is on the equatorial line of a bar magnet, when the north pole of the magnet is pointing towards the south geographic pole of the Earth
[AFMC 1999; Pb. PMT 2000; CPMT 2001; MH CET 2003]
Options:
A) North America
B) South America
C) East Asia
D) West Nile virus
Show Answer
Answer:
Correct Answer: A
Solution:
N1 and N2 are two null points. And $ B _{H}= $ Horizontal component of earth’s magnetic field. B = Magnetic field due to bar magnet.
BETA
