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Science

9th -

12thgrade

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Electricity Review-Fall 2023

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19 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    A glass rod is rubbed with silk and becomes positively charged. Which of the following is the most reasonable explanation?

    protons are added to the silk

    protons are removed from the silk

    the silk remains neutral

    electrons are removed from the rod

  • 2. Multiple Choice
    2 minutes
    1 pt

    If a simple circuit has one resistor of 3 Ohms and a current of 3 Amps, how many volts is the power source?

    Hint: Use Ohm's Law which states V=IR

    3 Volts

    6 Volts

    9 Volts

    19 Volts

  • 3. Multiple Choice
    2 minutes
    1 pt

    According to Ohm's Law, if resistance remains constant and voltage increases, then the current will ______________.

    Hint: Ohm's Law is V=IR

    decrease

    increase

    stay the same

    none of the above

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