An object that has zero resistance is a __________.
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[Ques. 2] In the U.S., AC line voltage oscillates at a frequency of __________.
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[Ques. 3] The type of current supplied by a battery is __________.
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[Ques. 4] An atom with fewer electrons than protons is a __________.
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[Ques. 5] Like charges _________, unlike charges __________.
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[Ques. 6] If two heaters are connected in parallel across the 120 volt source, the total power drawn from the source is __________.
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[Ques. 7] The resistance of the heater is __________.
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[Ques. 8] The current drawn by the heater is __________.
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[Ques. 9] If two heaters are connected in parallel across the 120 volt source, the current drawn from the source is __________.
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[Ques. 10] What does a neutral atom become if it acquires an extra electron?
a. negatively charged
b. positively charged
c. an ion
d. a molecule
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