Test Bank For Electrical Principles for the Electrical Trades 7th Edition By Bob Harper

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Edition:  7th Edition

Format: Downloadable ZIP Fille

Resource Type: Test bank

Duration: Unlimited downloads

Delivery: Instant Download

Test Bank For Electrical Principles for the Electrical Trades 7th Edition By Bob Harper

Multiple Choice Questions

1. Look at the following diagram:

 

The ebonite rod has been rubbed with fur to give it a negative charge, while the glass rod has been rubbed with silk to also have a negative charge. When the two rods are brought near one another as shown in the drawing, there will be a:

A. force of attraction between the rods

 

B. force of repulsion between the rods

 

C. force of both attraction and repulsion between the rods

 

D. neutral force between the rods

 

2. A material with an electrostatic charge is said to possess an electrical potential, and the difference in electrical potential between two bodies is measured in:

A. amperes

 

B. ohms

 

C. volts

 

D. watts

 

3. An electron flow can only occur if a conducting path exists between two bodies and if there is a sufficient difference in potential between those bodies to cause an electron flow. The force that causes the electrons to flow is called:

A. electromotive force

 

B. mechanical force

 

C. magneto motive force

 

D. tangential force

 

4. Once the potential difference between two points has been reduced to zero, the flow of electrons will:

A. become unstable

 

B. stop

 

C. increase

 

D. ionise

 

5. A conductor is a material that will:

A. prevent a current flow

 

B. allow a current flow in one direction only

 

C. conduct the electrical energy to where it can be used

 

D. not allow unwanted flow from an electric circuit

 

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