A platinum resistance thermometer has a resistance of  `50 Omega` at `20^(@)C` .
Channel: Doubtnut
Date: 2020-08-23

A platinum resistance thermometer has a resistance of  `50 Omega` at `20^(@)C` . When dipped in a liquid the resistance becomes `76.8 Omega` . The temperature coefficient of resistance for platinum is `alpha = 3.92 xx 10^(-3)//.^(@)C`. The temperature of the liquid is