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17/07/2021 5:58 pm
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A wire that has resistance R is cut into two equal pieces. The two parts are joined in parallel. What is the resistance of the combination?
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17/07/2021 5:59 pm
Resistance of each part is R/2.
Resultant resistance R’ is given by
1/R’ = 2/R + 2/R
R’ = R/4.