Answer:
X = R, therefore the current and the voltage are in phase, that is, the angles are zero
Explanation:
In circuits with capacitors and inductors the phase between current and voltage varies according to frequency , capacitance and induction values, but they go in opposite directions. The first creates a delay in the current and the second an advance.
If it is an RLC type serial circuit, the impedance is
X = √[ R² + (XL- Xc)²
with
XL = wL
Xc = 1 / wc
let's apply this to mention if XL = Xc, the impedance the circuit is resistive
X = R
therefore the current and the voltage are in phase, that is, the angles are zero