When three inductors of same inductance $L$ are connected in series and $I$ is the current passing through the circuit,the energy stored in the circuit is:
- A$\frac{1}{2} L I^2$
- B$\frac{3}{2} L I^2$
- C$\frac{5}{2} L I^2$
- D$\frac{7}{2} L I^2$
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