A $6.0 - \mu \mathrm { F }$ Air-Filled Capacitor Is Connected Across a 100-V Potential Source (A

Multiple Choice

A $6.0 - \mu \mathrm { F }$ air-filled capacitor is connected across a 100-V potential source (a battery) . After the battery fully charges the capacitor, it is left connected and the capacitor is immersed in transformer oil, which has a dielectric constant of 4.5. How much additional charge flows from the battery onto the capacitor during this process?

A) $2.1 \mathrm { mC }$
B) $2.5 \mathrm { mC }$
C) $1.2 \mathrm { mC }$
D) $1.7 \mathrm { mC }$