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Answer to Question #42655 in Electric Circuits for sparsh

Question #42655
In an electrical cable there is a single copper wire of radius 6 mm. Its resistance is 10 Ω. The single wire in the cable is replaced by 5 different insulated copper wires, the radius of each wire is 2 mm. The new resistance of the cable is
A 50 Ω

B 2 Ω

C 18 Ω

D 12 Ω
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