If the resistance of a metal wire at ice point is 500 Ω and 510 Ω at steam point, and the resistance of wire is 502 Ω the room temperature would be

If the resistance of a metal wire at ice point is 500 Ω and 510 Ω at

1.	If the resistance of a metal wire at ice point is 500 Ω and 510 Ω at steam point, and the resistance of wire is 502 Ω the room temperature would be
A.	20 °C
B.	10 °C
C.	40 °C
D.	30 °C
Answer» B. 10 °C