The Phase Angle of a Series $R L$ Ac Circuit with A

Multiple Choice

The phase angle of a series $R L$ ac circuit with a $100 - \Omega$ resistor and a $20.0 - \mathrm { mH }$ inductor is $70.0 ^ { \circ }$ . What is the inductive reactance of this circuit?

A) $200 \Omega$
B) $150 \Omega$
C) $175 \Omega$
D) $275 \Omega$
E) $100 \Omega$