A series RC circuit contains two resistors and two capacitors. The resistors are 27 Ω and 56 Ω . The capacitors have capacitive reactances of 50 Ω and 40 Ω . What is angle theta?
A) 47.31°
B) 52.75°
C) 67.25°
D) 72.68°

Question

Quizplus · Accepted Answer

The total resistance (R) is 27 Ω + 56 Ω = 83 Ω, and the total capacitive reactance (Xc) is 50 Ω + 40 Ω = 90 Ω. The angle theta (θ) is given by θ = arctan(Xc/R) = arctan(90/83) ≈ 47.31°.

A Series RC Circuit Contains Two Resistors and Two Capacitors