A) its length
B) pole straight
C) the horizontally component or earth's magnetic field
D) length of suspension wire.
Correct Answer: D
Solution :
\[T=2\pi \sqrt{\frac{I}{MB}}=2\pi \sqrt{\frac{mass\times {{l}^{2}}/12}{({{m}_{0}}\times 2l)B}}\]You need to login to perform this action.
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