Question: the phase difference between current and voltage in an ac circuit is?
Answer: The phase difference between current and voltage in an AC circuit is π/4 radian. ... That is a full circle 2π radians (or 360 Degrees). The phase difference (angle between curent and voltage) is π/4 part of this circle. That corresponds to 0.02 Seconds * (π/4) / (2 π) = 0.02 Seconds * 1/8 = 0.0025 Seconds.