5. The potential difference across the ends of a wire is doubled in magnitude. If Ohm's law is obeyed, which one of the

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5 The Potential Difference Across The Ends Of A Wire Is Doubled In Magnitude If Ohm S Law Is Obeyed Which One Of The 1 (36.54 KiB) Viewed 25 times

5. The potential difference across the ends of a wire is doubled in magnitude. If Ohm's law is obeyed, which one of the following statements concerning the resistance of the wire is true? A) The resistance is one half of its original value. B) The resistance is twice its original value. C) The resistance is not changed. D) The resistance increases by a factor of four. E) The resistance decreases by a factor of four. 6. Complete the following statement: A simple series circuit contains a resistance R and an ideal battery. If a second resistor is connected in parallel with R, A) the voltage across R will decrease. B) the current through R will decrease. C) the total current through the battery will increase. D) the rate of energy dissipation in R will increase. Page 3 of 16