Question 1

In a series RL circuit where R = 100 Ω and XL = 50 Ω, which of the following combinations is equivalent to the given series circuit?

Accepted Answer

A)  R = 40 Ω in parallel with XL = 20 Ω 
B)  R = 125 Ω in parallel with XL = 250 Ω 
C)  R = 250 Ω in parallel with XL = 125 Ω 
D)  R = 20 Ω in parallel with XL = 40 Ω 
A)  R = 40 Ω in parallel with XL = 20 Ω 
B)  R = 125 Ω in parallel with XL = 250 Ω 
C)  R = 250 Ω in parallel with XL = 125 Ω 
D)  R = 20 Ω in parallel with XL = 40 Ω

Question 2

-In the circuit in Figure 16-2, increasing the frequency will cause an increase in circuit current.

Accepted Answer

A) True 
 B)False

Question 3

Resistance and inductive reactance must be added in a series RL circuit.

Accepted Answer

A)  using vectors, or Pythagorean Theorem 
B)  inductively 
C)  using Kirchhoff's Voltage Law 
D)  both A and C 
A)  using vectors, or Pythagorean Theorem 
B)  inductively 
C)  using Kirchhoff's Voltage Law 
D)  both A and C

Question 4

-In the circuit in Figure 16-2, the current through the inductor equals the current through the resistor.

Accepted Answer

A) True 
 B)False

Question 5

Phase angle is the difference in phase between the applied voltage and the circuit current.

Accepted Answer

A) True 
 B)False

Question 6

-In the circuit in Figure 16-1, assume that XL, = R. The phase angle is 45°.

Accepted Answer

A) True 
 B)False

Question 7

-Given the circuit in Figure , what is the total circuit impedence Z?

Accepted Answer

A)  2.65 kΩ 
B)  7 kΩ 
C)  5.0 kΩ 
D)  500 Ω 
A)  2.65 kΩ 
B)  7 kΩ 
C)  5.0 kΩ 
D)  500 Ω

In a series RL circuit where R = 100 Ω and XL = 50 Ω, which of the following combinations is equivalent to the given series circuit?

-In the circuit in Figure 16-2, increasing the frequency will cause an increase in circuit current.

Resistance and inductive reactance must be added in a series RL circuit.

-In the circuit in Figure 16-2, the current through the inductor equals the current through the resistor.

Phase angle is the difference in phase between the applied voltage and the circuit current.

-In the circuit in Figure 16-1, assume that XL, = R. The phase angle is 45°.

-Given the circuit in Figure , what is the total circuit impedence Z?

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

Rc Circuits

Rlc Circuits and Resonance

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

Filters

Exam 16: Rl Circuits

In a series RL circuit where R = 100 Ω and XL = 50 Ω, which of the following combinations is equivalent to the given series circuit?

-In the circuit in Figure 16-2, increasing the frequency will cause an increase in circuit current.

Resistance and inductive reactance must be added in a series RL circuit.

-In the circuit in Figure 16-2, the current through the inductor equals the current through the resistor.

Phase angle is the difference in phase between the applied voltage and the circuit current.

-In the circuit in Figure 16-1, assume that XL, = R. The phase angle is 45°.

-Given the circuit in Figure , what is the total circuit impedence Z?

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

Rc Circuits

Rlc Circuits and Resonance

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

Filters