A) Zero
B) Infinite
C) 25 joules
D) None of these
Correct Answer: C
Solution :
\[\operatorname{i}=\frac{V}{R}=\,\frac{10}{2}=5A\] \[\operatorname{U}=\,\,\frac{1}{2}\,L{{i}^{2}}=\,\,\frac{1}{2}\,\,\times 2\,\,\times 25=25J\]
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