A) \[{{10}^{-4}}\]
B) \[3\times {{10}^{-4}}\]
C) \[5\times {{10}^{-4}}\]
D) \[6\times {{10}^{-4}}\]
Correct Answer: C
Solution :
Given, \[i=30A,{{B}_{1}}=4\times {{10}^{-4}}T,\] \[r=2\text{ }cm=0.02\text{ }m\]You need to login to perform this action.
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