Temperature coefficient of resistance of a material is 0.005Ω/°C. At 20°C, the resistance of a wire made up of this material is 1Ω. At what temperature the resistance will become 2 Ω.
1
200° C
2
220° C
3
180° C
4
250° C
5
None of the above
Temperature coefficient of resistance of a material is 0.005Ω/°C. At 20°C, the resistance of a wire made up of this material is 1Ω. At what temperature the resistance will become 2 Ω.