A permanent magnet moving coil ammeter has a coil resistance of 99 ohm and Full Scale Deflection (FSD) current of 0.1 mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is:

A

0.007 mA

B

0.05 mA

C

0.023 mA

D

None of these