A 45- $\mathrm { mH }$ Inductor Is Connected in Series with A

A 45- $\mathrm { mH }$ inductor is connected in series with a $60 - \Omega$ resistor through an ideal $15 - \mathrm { V }$ dc power supply and an open switch. What is the current $7.0 \mathrm {~ms}$ after closing the switch?

A) $550 \mathrm {~mA}$
B) $850 \mathrm {~mA}$
C) $280 \mathrm {~mA}$
D) $650 \mathrm {~mA}$
E) $250 \mathrm {~mA}$

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free