A) 2.4N
B) 1.2N
C) 0.6N
D) 0.3N
Correct Answer: D
Solution :
In magnetic dipole, force \[\propto \frac{1}{{{r}^{4}}}\] Hence new force \[=\frac{4.8}{{{2}^{4}}}=\frac{4.8}{16}=0.3\ N\]You need to login to perform this action.
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