In the circuit shown, a meter bridge is in its balanced state. The meter bridge wire has a resistance `.1 ohm//cm`. The value of unknown resistance `X` and the current drawn from the battery of negligible resistance is
A. `6 Omega, 5 A`
B. `10 Omega, 0.1 A`
C. `4 Omega, 1.0 A`
D. `12 Omega, 0.5 A`