2 An air-filled parallel-plate capacitor has plates of area
3 $2.30\U{cm$^2$}$ separated by $1.50\U{mm}$. \Part{a} Find the value
4 of its capacitance. The capacitor is connected to a $12.0\U{V}$
5 battery. \Part{b} What is the charge on the capacitor? \Part{c} What
6 is the magnitude of the uniform electric field between the plates?