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Physics
Which one of the following is correct statement about magnetic forces?
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Q. Which one of the following is correct statement about magnetic forces?
Moving Charges and Magnetism
A
Magnetic forces always obey Newton’s third law
20%
B
Magnetic forces do not obey Newton’s third law
61%
C
For very high current, magnetic forces obey Newton’s third law
11%
D
Inside low magnetic field, magnetic forces obey Newton’s third law
8%
Solution:
As the action and reaction are instantaneous in $III^{rd}$ law But magnetic forces transmit with finite speed $c$