The temperature of the cold junction of thermo‑couple is \[0{}^\circ C\] and the temperature of hot junction is \[T{}^\circ C\]. The e.m.f. is \[E=16T-0.04{{T}^{2}}\mu \] volts. The temperature of inversion is [EAMCET 1994]

• A.                    \[200{}^\circ C\]          
• B.                    \[400{}^\circ C\]
• C.                    \[100{}^\circ C\]          
• D.                    \[300{}^\circ C\]