The resistance of a wire at 300 {\K} is found to be 0.3 Ω. If the temperature co-efficient of resistance of wire is 1.5 \times 10^{-3} {\K}^{-1}, the temperature at which the resistance becomes 0.6 Ω is

KCET 2009 Physics Solved Paper

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The resistance of a wire at 300K is found to be 0.3Ω. If the temperature co-efficient of resistance of wire is 1.5×10−3K−1, the temperature at which the resistance becomes 0.6Ω is

345K
993K
690K
720K

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