A) \[2\times {{10}^{-4}}\] coulomb
B) \[4\times {{10}^{-4}}\] coulomb
C) \[6\times {{10}^{-4}}\] coulomb
D) \[8\times {{10}^{-4}}\] coulomb
Correct Answer: C
Solution :
Charge \[q=it\] \[=20\times {{10}^{-6}}\times 30=6\times {{10}^{-4}}\] coulombYou need to login to perform this action.
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