Ac Theory, Level 2, Lesson 2 Study Guide Rated A+

A circuit has a resistor and a capacitor connected in series and operating at a certain frequency. If the frequency is increased, the power factor ? . {Ans: increases}Given the circuit and parameters shown, solve for the following: (Round the FINAL answers to at least two decimal places in the specified unit.) {Ans: Z = √R² + X꜀² Z = √40² + 60² Z = 72.11 Ω * Eᵣ = Iₜ x R Eᵣ = 3.5 x 40 Eᵣ = 140 V * E꜀ = Iₜ x X꜀ E꜀ = 3.5 x 60 E꜀ = 210 V * Eₜ = Iₜ x Z Eₜ = 3.5 x 72.11 Eₜ = 252.39 V * Pᵣₑₐ꜀ₜ = Iₜ x E꜀ Pᵣₑₐ꜀ₜ = 3.5 x 210 Pᵣₑₐ꜀ₜ = 735 VAR * Pₐₚₚ = Iₜ x Eₜ Pₐₚₚ = 3.5 x 252.39 Pₐₚₚ = 883.36 VA * Pₜᵣᵤₑ = Iₜ x Eᵣ Pₜᵣᵤₑ = 3.5 x 140 Pₜᵣᵤₑ = 490 W * PF = R / Z x 100 PF = 40 / 72.11 x 100 PF = 55.47 % * θ = cos⁻¹(R/Z) θ = cos⁻¹(40 / 72.11) θ = 56.31°}A series circuit has a large Xc and small R. The