Superconductivity is lost when a certain __________ is exceeded.
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[Ques. 2] The rate of flow of electric charge is __________.
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[Ques. 3] An object that has zero resistance is a __________.
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[Ques. 4] In the U.S., AC line voltage oscillates at a frequency of __________.
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[Ques. 5] The type of current supplied by a battery is __________.
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[Ques. 6] An atom with fewer electrons than protons is a __________.
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[Ques. 7] Like charges _________, unlike charges __________.
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[Ques. 8] A heater is rated at 1200 watts for a 120-volt source.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. 9] A heater is rated at 1200 watts for a 120-volt source.The resistance of the heater is __________.
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[Ques. 10] A heater is rated at 1200 watts for a 120-volt source.The current drawn by the heater is __________.
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