Two wires A and B are made up of the same material and have the same mass. Wire A has radius of 2.0 mm and wire B has radius of 4.0 mm. The resistance of wire B is 2ohm. The resistance of wire A is _____ohm.
                                                             JEE -2024
Solution:                
Two wires A and B are made up of the same material and have the same mass. Wire A has radius of 2.0 mm and wire B has radius of 4.0 mm. The resistance of wire B is 2ohm. The resistance of wire A is _____ohm. JEE -2024

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