Voltage can also be called potential.
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[Ques. 2] Voltage is a measure of the energy per unit charge supplied by a battery.
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[Ques. 3] Superconductivity is lost when a certain critical temperature is exceeded.
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[Ques. 4] Electrons are negatively charged.
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[Ques. 5] The SI unit of electric charge is e, the charge on the electron.
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[Ques. 6] Current is the rate of flow of electric charge.
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[Ques. 7] An object that has zero resistance is a semiconductor.
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[Ques. 8] All three types of particles found in atoms are electrically charged.
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[Ques. 9] An atom with fewer electrons than protons is a negative ion.
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[Ques. 10] If one lawn mower causes an 80 dB sound level at a nearby point, what sound level at that point would four lawnmowers together cause?
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