Question 1

Superimposing an AC voltage of 3.54 Vrms with a DC source of 10 V results in a waveform that:

Accepted Answer

A) peaks at 15 V. 
B) peaks at 13.54 V. 
C) peaks at 20 V. 
D) both B and C 
A) peaks at 15 V. 
B) peaks at 13.54 V. 
C) peaks at 20 V. 
D) both B and C

Question 2

-  opens in Figure 8-2.

Accepted Answer

A) decreases 
B) remains the same 
C) increases 
A) decreases 
B) remains the same 
C) increases

Question 3

The time (T) and the frequency (f) of an AC waveform are related as:

Accepted Answer

A) universally proportional. 
B) directly proportional. 
C) inversely proportional. 
D) complimentary proportional. 
A) universally proportional. 
B) directly proportional. 
C) inversely proportional. 
D) complimentary proportional.

Question 4

The value of a AC sine wave at any instant can be represented by:

Accepted Answer

A) a phasor whose angle and magnitude are representative of the AC signal. 
B)    
C) a graph of the voltage or current vs. the angular measurement. 
D) all of these. 
A) a phasor whose angle and magnitude are representative of the AC signal. 
B)    
C) a graph of the voltage or current vs. the angular measurement. 
D) all of these.

Question 5

The period of most AC waveforms is measured in units of:

Accepted Answer

A) alternations. 
B) seconds. 
C) cycles. 
D) revolutions. 
A) alternations. 
B) seconds. 
C) cycles. 
D) revolutions.

Question 6

Commercial line voltages are usually square waves at a frequency of 60 Hz.

Accepted Answer

A) True 
 B)False

Question 7

The period of a 5 Hz wave form is 200 ms.

Accepted Answer

A) True 
 B)False

Superimposing an AC voltage of 3.54 Vrms with a DC source of 10 V results in a waveform that:

- opens in Figure 8-2.

The time (T) and the frequency (f) of an AC waveform are related as:

The value of a AC sine wave at any instant can be represented by:

The period of most AC waveforms is measured in units of:

Commercial line voltages are usually square waves at a frequency of 60 Hz.

The period of a 5 Hz wave form is 200 ms.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

RC Circuits

RL 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 8: Circuit Theorems and Conversions

Superimposing an AC voltage of 3.54 Vrms with a DC source of 10 V results in a waveform that:

- opens in Figure 8-2.

The time (T) and the frequency (f) of an AC waveform are related as:

The value of a AC sine wave at any instant can be represented by:

The period of most AC waveforms is measured in units of:

Commercial line voltages are usually square waves at a frequency of 60 Hz.

The period of a 5 Hz wave form is 200 ms.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

RC Circuits

RL Circuits

RlC Circuits and Resonance

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

Filters