Test your basic knowledge |

Electrician 101

Instructions:

Answer 27 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is the basic unit to measure electrical power?
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
Watt.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
Energy

2. What is DC?
Amps or just A - is the measurement in units of the amount of electric current that flows. The rate of electron flow determines the number of amperes in a circuit. The rate of electron flow determines the number of amperes in a circuit.
The design that the system is able to handle total amperage needs.
Power which is watt.
Stands for direct current and it is when electrons move in one direction.

3. What does an appliance need to function properly?
The design that the system is able to handle total amperage needs.
Power which is watt.
120/240 V service.
A magnatic field is generated that makes the motor rotate - producing mechanical power.

4. What type of Voltage is required for new homes to have?
120/240 V service.
60 cycles per second.
Watt.
In units of Amperes

5. What do you have to calculate to get the amount of electrical power?
Energy
In units of Amperes
You must multiply voltage ( involts) times current(in amperes).
A magnatic field is generated that makes the motor rotate - producing mechanical power.

6. What is voltage or electromotive force?
Most common electrical devices are set to operate as 120/240 V.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
Electrons can be forced to move by pushing more electrons to the wire. However - no electron can get into the wire unless an equal number of electrons is pushed out of the other end.

7. What happens when current passes through a motor's field coils?
A magnatic field is generated that makes the motor rotate - producing mechanical power.
120/240 V service.
60 cycles per second.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.

8. What is the amount of power used over a period of time?
You must multiply voltage ( involts) times current(in amperes).
KW-H
Energy
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I

9. What voltage are common electrical devices - designed to operate as?
Watt.
Most common electrical devices are set to operate as 120/240 V.
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
The design that the system is able to handle total amperage needs.

10. Electrical Power is the product of what?
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I

11. What is AC?
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
Power which is watt.
KW-H
Stands for alternating current and it is when electrons move in both directions.

12. What is 1 kilowatt equal too?
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco
KW-H
1000 watts
You must multiply voltage ( involts) times current(in amperes).

13. What is a useful characteristic that can be used in an appliance?
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.

14. What does the positive-negative attraction relate too?
In units of Amperes
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
The design that the system is able to handle total amperage needs.
Amps or just A - is the measurement in units of the amount of electric current that flows. The rate of electron flow determines the number of amperes in a circuit. The rate of electron flow determines the number of amperes in a circuit.

15. What is the unit commonly used to measure electrical energy?
60 cycles per second.
Energy
KW-H
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco

16. What is WATT?
1000 watts
In a wire conductor - there are billions of loose or free electrons - all safely in place in their fields. They're distributed evenly throughout the wire.
The basic unit used to measure electrical power.
120/240 V service.

17. What is the measurement unit of electron movement
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco
A magnatic field is generated that makes the motor rotate - producing mechanical power.
Stands for alternating current and it is when electrons move in both directions.
Electrons can be forced to move by pushing more electrons to the wire. However - no electron can get into the wire unless an equal number of electrons is pushed out of the other end.

18. What is the amperage that can be measured with a ammeter?
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
A magnatic field is generated that makes the motor rotate - producing mechanical power.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.

19. How is current measured?
In units of Amperes
The design that the system is able to handle total amperage needs.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco

20. How can electrons be forced to move?
Electrons can be forced to move by pushing more electrons to the wire. However - no electron can get into the wire unless an equal number of electrons is pushed out of the other end.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
In units of Amperes

21. What is going on in a wire conductor with free electrons?

22. What does P = E x I stand for?
You must multiply voltage ( involts) times current(in amperes).
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
120/240 V service.
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.

23. What do you need to take into account when installing a electrical system?
The design that the system is able to handle total amperage needs.
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
Watt.
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.

24. What type of system does electricity behaves as?
1000 watts
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.
Energy

25. What is Amperes?
120/240 V service.
Amps or just A - is the measurement in units of the amount of electric current that flows. The rate of electron flow determines the number of amperes in a circuit. The rate of electron flow determines the number of amperes in a circuit.
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
A magnatic field is generated that makes the motor rotate - producing mechanical power.

26. What is electricity really?
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.

27. Electricity flows through wires In what frequency?
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
60 cycles per second.
Power which is watt.
You must multiply voltage ( involts) times current(in amperes).