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The resistance of a wire at 300 K is fou...

The resistance of a wire at 300 K is found to be `0.3Omega`. If the temperature co-efficent of resistance of wire is `1.5xx10^(-3)K^(-1)`, the temperature at which the resistance becomes `0.6Omega` is

A

690 K

B

720 K

C

345 K

D

993 K.

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