A) 54 × \[{{10}^{-3}}\]J
B) 54 × \[{{10}^{-6}}\]J
C) 54 × \[{{10}^{-9}}J\]
D) 54 × \[{{10}^{-12}}\]J
Correct Answer: B
Solution :
\[W=qV=6\times {{10}^{-6}}\times 9=54\times {{10}^{-6}}J\].
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