A) 0.2s
B) 0.4s
C) 0.6s
D) 0.8s
Correct Answer: B
Solution :
\[I=\frac{Q}{t}=\frac{CV}{t}\] \[\Rightarrow \] \[t=\frac{CV}{I}=\frac{30\times {{10}^{-6}}\times 400}{30\times {{10}^{-3}}}=0.4s\]You need to login to perform this action.
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