In a series RC circuit, E T = 240 V, R = 40 Ω , and X C = 30 Ω . What is E C ?A) 37.14 VB) 62.86 VC) 92 VD) 144 V

Question

In a series RC circuit, E T  = 240 V, R = 40 Ω , and X C  = 30 Ω . What is E C ?A)  37.14 VB)  62.86 VC)  92 VD)  144 V

Rachael Banks · Accepted Answer

Final Answer : D, Explanation :  In a series RC circuit, the voltage across the capacitor (E_C) can be found using the formula E_C = E_T * (X_C / Z), where Z is the impedance. Z = √(R² + X_C²) = √(40² + 30²) = 50 Ω. Therefore, E_C = 240 * (30/50) = 144 V.

In a series RC circuit, E_T = 240 V, R = 40 Ω , and X_C = 30 Ω . What is E_C?

A) 37.14 V
B) 62.86 V
C) 92 V
D) 144 V

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Related questions

In a series RC circuit, ET = 240 V, R = 40 Ω , and XC = 30 Ω . What is EC?A) 37.14 VB) 62.86 VC) 92 VD) 144 V

Definitions

Learning Objectives

Learning Objectives

Related questions

In a series RC circuit, E_T = 240 V, R = 40 Ω , and X_C = 30 Ω . What is E_C?

A) 37.14 V
B) 62.86 V
C) 92 V
D) 144 V