When a wire of length "l" and resistance R is cut into two equal parts then resistivity of each part: (SWL GL DGK GL200 (A) Becomes half (B) Remains unchanged (C) Becomes to times (D) Becomes four times 3
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Option A) Becomes half
Its length cuts into two equal parts . hence its resistance will becomes half . and , resistivity of material will not change by changing the shape , also uniform cross-section area will not be change
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