[问答题]
How does the energy stored in a capacitor change if (a) the potendw.j48d3p f j( c.fmpltiav/ux.6q 9s bi6z l9ykp 44ibwfl difference is doubled, and (b) the charge on each plate is .4i4f 9b pvl6/zqx9ysbi 6ukw doubled, as the capacitor remains connected to a battery?
