The inductance of a moving iron instrument is $$ (10 + 6 \theta) \mu H $$, where $$ \theta $$ deflection in radian from zero position. Assuming spring constant $$ k = 10 \times 10^-6 Nm/rad, $$ the deflection (in rad) for a current of 6 A is __________.

A

10.8

B

10

C

9.8

D

9