An RTD forms one arm (R4) of a Wheatstone bridgeThe RTD is used to measure a constant temperature, with the bridge operated in deflection mode. The RTD has a resistance of 25 Ω at a temperature of 0∘C, and a thermal coefficient of resistance, α = 0.003925∘ C−1 . If the RTD is subjected to a temperature of 110∘C and the output voltage from the bridge is 0.66V, what is the input voltage?