A thermocouple of resistance `2.6 Omega` is in series with a meter of resistance `7.4 Omega`. It can produce `10 muVC^-1` difference between junctions. The meter reads 10mV when a junction is at `0^@C` and the other junction is in a molten metal. Temperature of molten metal is

Options

A. `1350^@C`
B. `1500^@C`
C. `1000^@C`
D. `1850^@C`.