A wire of uniform cross-section and length l has a resistance of 4 ohm – InterviewSolution

1.	A wire of uniform cross-section and length l has a resistance of 4 ohms. The wire is cut into 4 equal pieces. Each piece is then stretched to length l. Thereafter, the four wires are joined in parallel. Calculate net resistance.
Answer» A wire of uniform cross-section and length l has a resistance of 4 ohms. The wire is cut into 4 equal pieces. Each piece is then stretched to length l. Thereafter, the four wires are joined in parallel. Calculate net resistance.

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