The resistivity of a wire at 20^0C and 100^0C is 3Ω-m and 4Ω-m respectively. The resistivity of the wire at 0^0C is: Option 1: 11/4 ohm-m Option 2: 4/11 ohm-m Option 3: 3/4 ohm-m Option 4: 11/3 ohm-m

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