In an RC parallel circuit, E T = 277 V, R = 24 k Ω , and X C = 39 k Ω . What is the power factor?A) 10%B) 61.54%C) 85.17%D) 92.41%

Question

In an RC parallel circuit, E T  = 277 V, R = 24 k Ω , and X C  = 39 k Ω . What is the power factor?A)  10%B)  61.54%C)  85.17%D)  92.41%

Donna Gonzales · Accepted Answer

Final Answer : C, Explanation :  The power factor is given by cos(θ) = R/Z, where Z is the impedance of the circuit. In this case, Z = √(R^2 + Xc^2) = √(24^2 + 39^2) = 45 kΩ. Therefore, cos(θ) = 24/45 = 0.8517, or 85.17%.

In an RC parallel circuit, E_T = 277 V, R = 24 k Ω , and X_C = 39 k Ω . What is the power factor?

A) 10%
B) 61.54%
C) 85.17%
D) 92.41%

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Learning Objectives

Related questions

In an RC parallel circuit, ET = 277 V, R = 24 k Ω , and XC = 39 k Ω . What is the power factor?A) 10%B) 61.54%C) 85.17%D) 92.41%

Definitions

Learning Objectives

Learning Objectives

Related questions

In an RC parallel circuit, E_T = 277 V, R = 24 k Ω , and X_C = 39 k Ω . What is the power factor?

A) 10%
B) 61.54%
C) 85.17%
D) 92.41%