40. IE A coil with a resistance of 30 and an inductance of 0.15...

40. IE •• A coil with a resistance of 30 Ω and an inductance of 0.15 H is connected to a 120-V, 60-Hz source.

(a) Is the phase angle of this circuit (1) positive,

(2) zero, or (3) negative? Explain.

(b) What is the phase angle of the circuit?

(c) How much rms current is in the circuit?

(d) What is the average power delivered to the circuit?