Question 1

Explain how the impedance triangle is obtained.

Accepted Answer

A triangle known as an impedance triangle is obtained by dividing the voltage triangle by a constant reference vector I.

Question 2

The combined effect of resistance and inductive reactance is called ____________________.

Accepted Answer

impedance

Question 3

What is phase angle or angle theta?

Accepted Answer

The phase angle or angle theta is the angle by which the current lags behind the line voltage.

Question 4

____________________ is the ability of a circuit component, such as a reactor coil, to store energy in the electromagnetic field.

Accepted Answer

The answer of ____________________ is the ability of a circuit...

Question 5

In a direct-current circuit, there will be no inductive effect once the current reaches the value defined by Ohm's law and remains constant.

Accepted Answer

A) True 
 B)False

Question 6

____________________ is a measure of the amount of electrical energy converted to some other form.

Accepted Answer

The answer of ____________________ is a measure of the amount...

Question 7

What is Lenz's law?

Accepted Answer

In all cases of electromagneti

Question 8

Any quantity having both magnitude and direction is called a(n) ____________________.

Accepted Answer

The answer of Any quantity having both magnitude and direction...

Question 9

The basic rule of vector addition cannot be applied to vector combinations that are not in a straight line.

Accepted Answer

A) True 
 B)False

Question 10

____________________ is defined as the ratio between the true power in watts and the apparent power in volt-amperes.

Accepted Answer

Power fact

Question 11

Impedance is represented by the letter I.

Accepted Answer

A) True 
 B)False

Question 12

Explain the difference between adding vectors that are in a straight line and those that are not in a straight line.

Accepted Answer

The addition of vectors in a straight li

Question 13

List the definition of a henry (H).

Accepted Answer

A henry (H) is the inductance

Question 14

Reactive power is expressed in a unit called volt-amperes-reactive.

Accepted Answer

A) True 
 B)False

Question 15

One radian is equal to the angle at the center of a circle, subtended by an arc whose length is equal to the radius.

Accepted Answer

A) True 
 B)False

Explain how the impedance triangle is obtained.

The combined effect of resistance and inductive reactance is called ____________________.

What is phase angle or angle theta?

____________________ is the ability of a circuit component, such as a reactor coil, to store energy in the electromagnetic field.

In a direct-current circuit, there will be no inductive effect once the current reaches the value defined by Ohm's law and remains constant.

____________________ is a measure of the amount of electrical energy converted to some other form.

What is Lenz's law?

Any quantity having both magnitude and direction is called a(n) ____________________.

The basic rule of vector addition cannot be applied to vector combinations that are not in a straight line.

____________________ is defined as the ratio between the true power in watts and the apparent power in volt-amperes.

Impedance is represented by the letter I.

Explain the difference between adding vectors that are in a straight line and those that are not in a straight line.

List the definition of a henry (H).

Reactive power is expressed in a unit called volt-amperes-reactive.

One radian is equal to the angle at the center of a circle, subtended by an arc whose length is equal to the radius.

Introduction to Alternating Current

Alternating-Current Circuits Containing Resistance

Series Circuitsresistance and Impedance

Capacitors and Rc Time Constants

Capacitors in Alternating-Current Circuits

Series Circuits: Resistance, Inductive Reactance, and Capacitive Reactance

Ac Parallel Circuits

Seriesparallel Circuits

Three-Phase Systems

Ac Instruments and Meters

Alternating-Current Generators

Transformers

Transformer Connections for Three-Phase Circuits

Special Transformer Applications

Three-Phase Induction Motors

The Synchronous Motor

Single-Phase Motors

Control Circuits

Filters

Exam 3: Inductance in Alternating-Current Circuits

Explain how the impedance triangle is obtained.

The combined effect of resistance and inductive reactance is called ____________________.

What is phase angle or angle theta?

____________________ is the ability of a circuit component, such as a reactor coil, to store energy in the electromagnetic field.

In a direct-current circuit, there will be no inductive effect once the current reaches the value defined by Ohm's law and remains constant.

____________________ is a measure of the amount of electrical energy converted to some other form.

What is Lenz's law?

Any quantity having both magnitude and direction is called a(n) ____________________.

The basic rule of vector addition cannot be applied to vector combinations that are not in a straight line.

____________________ is defined as the ratio between the true power in watts and the apparent power in volt-amperes.

Impedance is represented by the letter I.

Explain the difference between adding vectors that are in a straight line and those that are not in a straight line.

List the definition of a henry (H).

Reactive power is expressed in a unit called volt-amperes-reactive.

One radian is equal to the angle at the center of a circle, subtended by an arc whose length is equal to the radius.

Introduction to Alternating Current

Alternating-Current Circuits Containing Resistance

Series Circuitsresistance and Impedance

Capacitors and Rc Time Constants

Capacitors in Alternating-Current Circuits

Series Circuits: Resistance, Inductive Reactance, and Capacitive Reactance

Ac Parallel Circuits

Seriesparallel Circuits

Three-Phase Systems

Ac Instruments and Meters

Alternating-Current Generators

Transformers

Transformer Connections for Three-Phase Circuits

Special Transformer Applications

Three-Phase Induction Motors

The Synchronous Motor

Single-Phase Motors

Control Circuits

Filters