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