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Two wires A and B are made of the same material and have the same diameter. Wire A is twice as long as wire B. If each wire has the same potential difference across its ends, which one of the following statements is true concerning the current in wire A?
a. The current is half as much as that in B.
b. The current is one-fourth that in B.
c. The current is equal to the current in B.
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Two wires A and B are made of the same material and have the same diameter. Wire A is twice as long...
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