[问答题]
How does the energy stored in a capacitor change i*fgt7zc .a1z+d d;jsgf (a) the po*j,7iw yw ucbg5r e aq7l(7m5ytential difference is doubled, and (b) the charge on each plate is doub 5a*mw, e y75(7rwlcgi7qbjuy led, as the capacitor remains connected to a battery?
