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| 1 | |
Electricity is a form of matter. |
| | A) | True |
| | B) | False |
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| 2 | |
The coulomb is the base unit of energy. |
| | A) | True |
| | B) | False |
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| 3 | |
The electron, proton, and neutron are the three major particles of the atom. |
| | A) | True |
| | B) | False |
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| 4 | |
The electrons in the innermost shell of an atom are called valence electrons. |
| | A) | True |
| | B) | False |
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| 5 | |
A negative static charge is created when a transfer of electrons leaves an object with a deficiency of electrons. |
| | A) | True |
| | B) | False |
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| 6 | |
Valence electrons that have been temporarily separated from an atom are referred to as |
| | A) | ions |
| | B) | free protons |
| | C) | free electrons |
| | D) | neutrons |
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| 7 | |
What is created when a transfer of electrons leaves an object with a deficiency of electrons? |
| | A) | negative ion |
| | B) | positive ion |
| | C) | positive static charge |
| | D) | negative static charge |
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| 8 | |
A force moving through a distance is defined as |
| | A) | energy |
| | B) | work |
| | C) | electricity |
| | D) | base unit |
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| 9 | |
Percent efficiency equals |
| | A) | total energy in, divided by useful energy out, times 100 |
| | B) | useful energy out, divided by total energy in, divided by 100 |
| | C) | total energy in, times useful energy out, plus 100 |
| | D) | useful energy out, divided by total energy in, times 100 |
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| 10 | |
What converts light energy to electric energy? |
| | A) | batteries |
| | B) | solar cells |
| | C) | generators |
| | D) | radio receivers |
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