A $1.5 - \mathrm { H }$ Inductor Is Connected in Series with A

Multiple Choice

A $1.5 - \mathrm { H }$ inductor is connected in series with a $200 - \Omega$ resistor through an ideal $15 - \mathrm { V }$ dc power supply and an open switch. After closing the, what is the maximum energy that will be contained in the inductor?

A) $3.2 \mathrm {~mJ}$
B) $2.2 \mathrm {~mJ}$
C) $1.2 \mathrm {~mJ}$
D) $4.2 \mathrm {~mJ}$
E) $5.2 \mathrm {~mJ}$