NEET Physics Current Electricity Questions Solved


The following four wires are made of the same material and are at the same temperature. Which one of them has highest electrical resistance 

(1) Length = 50 cm, diameter = 0.5 mm

(2) Length = 100 cm, diameter = 1 mm

(3) Length = 200 cm, diameter = 2 mm

(4) Length = 300 cm, diameter = 3 mm

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