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Home ‣ Electronics ‣ Resistance and Power Comments
  • Question

  • If 500 mA is flowing through a 10 Ω resistor, the wattage rating of the resistor should be 2 watts.


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  • A. True
  • B. False

  • Correct Answer
  • False 

    • Resistance and Power problems

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    • 1. A rheostat is not a type of variable resistor.

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    • A. True
    • B. False
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    • 2. One horsepower is 746 watts.

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    • A. True
    • B. False
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    • 3. Resistivity is measured in cmil.?/ft.

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    • A. True
    • B. False
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    • 4. An ohmmeter uses an internal battery to measure the resistance of a resistor.

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    • A. True
    • B. False
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    • 5. A resistor with a value of 9.9 kΩ 10% could have a value between 8.91 kΩ and 10.89 kΩ.

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    • A. True
    • B. False
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    • 6. The cross-sectional area of a conductor is one factor that determines the conductor's resistance to current.

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    • A. True
    • B. False
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    • 7. In a resistive circuit, if the voltage increases, the current will increase.

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    • A. True
    • B. False
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    • 8. Resistance limits the flow of current.

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    • A. True
    • B. False
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    • 9. The natural elements carbon, germanium, and silicon are semiconductors.

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    • A. True
    • B. False
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    • 10. The first integrated circuit was invented in 1959.

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