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By how much is the electrical force between a pair of charges reduced when their separation distance is doubled? Tripled?
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Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
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By how much is the electrical force between a pair of charges reduced when their separation distance...
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