In a series RL circuit, E T = 120 V, R = 40 Ω , and X L = 30 Ω . What is E R ?A) 72 VB) 88.57 VC) 96 VD) 151.43 V

Question

In a series RL circuit, E T  = 120 V, R = 40 Ω , and X L  = 30 Ω . What is E R ?A)  72 VB)  88.57 VC)  96 VD)  151.43 V

Miguel Garcia · Accepted Answer

Final Answer : C, Explanation :  In a series RL circuit, the voltage across the resistor (E_R) can be found using the formula E_R = E_T * (R / Z), where Z is the impedance. Z = √(R² + X_L²) = √(40² + 30²) = 50 Ω. Thus, E_R = 120 * (40 / 50) = 96 V.

In a series RL circuit, E_T = 120 V, R = 40 Ω , and X_L = 30 Ω . What is E_R?

A) 72 V
B) 88.57 V
C) 96 V
D) 151.43 V

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Learning Objectives

Related questions

In a series RL circuit, ET = 120 V, R = 40 Ω , and XL = 30 Ω . What is ER?A) 72 VB) 88.57 VC) 96 VD) 151.43 V

Definitions

Learning Objectives

Learning Objectives

Related questions

In a series RL circuit, E_T = 120 V, R = 40 Ω , and X_L = 30 Ω . What is E_R?

A) 72 V
B) 88.57 V
C) 96 V
D) 151.43 V