Answer
(a) 0.30 C
(b) 0.90 J
Work Step by Step
(a) $q=It=(0.50\times10^{-3}\,A)(10\times60\,s)=0.30\,C$
(b) $V=\frac{Energy}{q}$
Therefore, Energy lost$=V\times q=3.0\,V\times0.30\,C=0.90\,J$
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