Teach Yourself Electricity and Electronics 5th Edition Ch 1 Quiz
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each of the black spaces below before clicking
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| 2. The number of protons in the nucleus of an electrically neutral atom | Constitutes it's atomic number.
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| 3. The atomic weight of an electrically neutral atom | Approximately equals the number of neutrons plus the number of protons.
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| 4. When an atom has a net positive charge, we call it | A cation.
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| 5. A carbon atom can have | More than one isotope.
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| 6. An element who's molecules contain two atoms | Is diatomic.
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| 7. A monatomic compound | Cannot exist; it's a contradiction in terms.
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| 8. Ionization can sometimes cause | The conductivity of a substance to improve.
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| 9. Of the following substances, which one is the best electrical conductor | Silver
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| 10. Dry air is normally a poor conductor of electricity because | the molecules are far apart.
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| 11. If we place an EMF of 2 V across a component whose resistance equals 1 ohm, how much current will flow through the component? | 2 A
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| 12. If we double the potential difference in the scenario of Question 11 ( If we place an EMF of 2 V resistance 1 ohm, how much current will flow) but don't change the components resistance, the current the current through the component will | double
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| 13. In electronics, the term hole refers to a place in an atom where | an electron would normally exist, but doesn't.
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| 14. Which of the following statements can we make if we want to generalize about good electrical conductors? | they always have low resistance.
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| 15. We can express the number of electrical charge carriers on an object in | coulombs.
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| 16. A stroke of lightening, the current results from sudden, rapid movement of | electrons.
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| 17. We can use ohms to directly express or measure | resistance.
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| 17. What type of device converts chemical energy to electrical energy? | A battery
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| 19. What type of device converts mechanical energy to electrical energy? | A generator
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| 20. What type of device converts electrons directly into protons? | None of the above
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| 1. The number of electrons in an electrically neutral atom | Equals the number of protons.
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