Question 1

A line conductor has a nominal __________ of 230 V with respect to the neutral conductor

Accepted Answer

A)  voltage 
B)  voltage difference 
C)  electromotive force 
D)  potential 
A)  voltage 
B)  voltage difference 
C)  electromotive force 
D)  potential D

Question 2

A potential difference exists between charges located at

Accepted Answer

A)  different points within a magnetic field 
B)  different points within an electric field 
C)  opposite ends of a conductor 
D)  different heights above the ground 
A)  different points within a magnetic field 
B)  different points within an electric field 
C)  opposite ends of a conductor 
D)  different heights above the ground B

Question 3

The unit for potential difference, the volt, is defined in terms of

Accepted Answer

A)  the work done in moving a charge between two points 
B)  the difference in charge between two points 
C)  the difference in energy between two points 
D)  the difference in energy between a point and that of earth 
A)  the work done in moving a charge between two points 
B)  the difference in charge between two points 
C)  the difference in energy between two points 
D)  the difference in energy between a point and that of earth A

Question 4

The earth is generally considered to have a _______ of zero volts

Accepted Answer

A)  potential 
B)  potential difference 
C)  electromotive force 
D)  energy level 
A)  potential 
B)  potential difference 
C)  electromotive force 
D)  energy level

Question 5

Moving a negative charge in the direction of the field, described above, will

Accepted Answer

A)  increase the potential of that charge 
B)  decrease the potential of that charge 
C)  have no effect on the potential of that charge 
D)  reverse the polarity of that charge 
A)  increase the potential of that charge 
B)  decrease the potential of that charge 
C)  have no effect on the potential of that charge 
D)  reverse the polarity of that charge

Question 6

A battery aquires a potential difference across its terminals due to

Accepted Answer

A)  its stored charge 
B)  charge separation 
C)  the type of electrolyte used 
D)  electrolysis 
A)  its stored charge 
B)  charge separation 
C)  the type of electrolyte used 
D)  electrolysis

Question 7

Electrons are made to drift through a metal conductor due to

Accepted Answer

A)  their attraction to an external positive charge and repulsion by an external negative charge 
B)  their attraction to an external negative charge and repulsion by an external positive charge 
C)  the chemical effect of the current 
D)  the difference in pressure between opposite ends of the conductor 
A)  their attraction to an external positive charge and repulsion by an external negative charge 
B)  their attraction to an external negative charge and repulsion by an external positive charge 
C)  the chemical effect of the current 
D)  the difference in pressure between opposite ends of the conductor

Question 8

An object that has acquired a 'positive' potential

Accepted Answer

A)  has less electrons than protons 
B)  is less negative than another object 
C)  can be either a or b 
D)  is neither a nor b 
A)  has less electrons than protons 
B)  is less negative than another object 
C)  can be either a or b 
D)  is neither a nor b

Question 9

Voltage' is another term for

Accepted Answer

A)  potential 
B)  potential difference 
C)  electromotive force 
D)  energy-difference 
A)  potential 
B)  potential difference 
C)  electromotive force 
D)  energy-difference

Question 10

The area surrounding a stationary electric charge, in which the effects of that charge may be observed is called

Accepted Answer

A)  a gravitational field 
B)  a magnetic field 
C)  an electric field 
D)  a force field 
A)  a gravitational field 
B)  a magnetic field 
C)  an electric field 
D)  a force field

Question 11

The nominal __________ between the line and neutral of a 13-A socket outlet is 230 V

Accepted Answer

A)  voltage 
B)  voltage difference 
C)  voltage drop 
D)  potential 
A)  voltage 
B)  voltage difference 
C)  voltage drop 
D)  potential

A line conductor has a nominal __________ of 230 V with respect to the neutral conductor

A potential difference exists between charges located at

The unit for potential difference, the volt, is defined in terms of

The earth is generally considered to have a _______ of zero volts

Moving a negative charge in the direction of the field, described above, will

A battery aquires a potential difference across its terminals due to

Electrons are made to drift through a metal conductor due to

An object that has acquired a 'positive' potential

Voltage' is another term for

The area surrounding a stationary electric charge, in which the effects of that charge may be observed is called

The nominal __________ between the line and neutral of a 13-A socket outlet is 230 V

The Electron Theory of Electricity

Electric Current

Resistance

Practical Conductors and Insulators

Effect of Temperature Change Upon Resistance

Ohms Law of Constant Proportionality

Series, Parallel and Series-Parallel Circuits

Cells and Batteries

Internal Resistance of Voltage Sources

Energy, Work, Heat and Power

Magnetism

Electromagnetism

Magnetic Circuits

Electromagnetic Induction

Capacitors and Capacitance

Introduction to Alternating Current

Series Alternating-Current Circuits

Power in Alternating-Current Circuits

Parallel Alternating-Current Circuits

Power Factor Improvement

Balanced Three-Phase Ac Systems

Filters

Exam 3: Potential and Potential Difference

A line conductor has a nominal __________ of 230 V with respect to the neutral conductor

A potential difference exists between charges located at

The unit for potential difference, the volt, is defined in terms of

The earth is generally considered to have a _______ of zero volts

Moving a negative charge in the direction of the field, described above, will

A battery aquires a potential difference across its terminals due to

Electrons are made to drift through a metal conductor due to

An object that has acquired a 'positive' potential

Voltage' is another term for

The area surrounding a stationary electric charge, in which the effects of that charge may be observed is called

The nominal __________ between the line and neutral of a 13-A socket outlet is 230 V

The Electron Theory of Electricity

Electric Current

Resistance

Practical Conductors and Insulators

Effect of Temperature Change Upon Resistance

Ohms Law of Constant Proportionality

Series, Parallel and Series-Parallel Circuits

Cells and Batteries

Internal Resistance of Voltage Sources

Energy, Work, Heat and Power

Magnetism

Electromagnetism

Magnetic Circuits

Electromagnetic Induction

Capacitors and Capacitance

Introduction to Alternating Current

Series Alternating-Current Circuits

Power in Alternating-Current Circuits

Parallel Alternating-Current Circuits

Power Factor Improvement

Balanced Three-Phase Ac Systems

Filters