A $1.50 - \mathrm { H }$ Inductor Is Connected in Series with A

Multiple Choice

A $1.50 - \mathrm { H }$ inductor is connected in series with a $200 - \Omega$ resistor through an ideal $15.0$ - $\mathrm { V }$ dc power supply and an open switch. How much energy is contained in the inductor $20.0 \mathrm {~ms}$ after closing the switch?

A) $3.65 \mathrm {~mJ}$
B) $0.910 \mathrm {~mJ}$
C) $1.83 \mathrm {~mJ}$
D) $5.48 \mathrm {~mJ}$
E) $7.31 \mathrm {~mJ}$