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A single resistor is connected across the terminals of a battery. Which one or more of the following changes in voltage and current leaves unchanged the electric power dissipated in the resistor? (Show work) (A) Doubling the voltage and increasing the resistance by a factor of four (B) Doubling the voltage and the current (C) Doubling the voltage and reducing the resistance by a factor of four (D) Doubling the current and reducing the resistance by a factor of four (a) All (b) A, C, D only (c) B, C, D only (d) A and D only
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A single resistor is connected across the terminals of a battery. Which one or more of the following...
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