A) 16
B) 8
C) 4
D) 2
Correct Answer: A
Solution :
: Deflecting couple on magnet \[=MH\sin \theta =(2lm)H\,\sin \theta \] \[=(20\times 5)\times 0.32\times \sin 30{}^\circ \] \[=\frac{100\times 0.32\times 1}{2}=16\text{ }dyne\text{ }cm.\]You need to login to perform this action.
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