推 vaakaa:不知只講出電容能=1/2qv,電池給qv,損失1/2qv可否 218.166.85.13 07/22
A battery is used to charge a capacitor through a resistor. Show that in
the process of charging the capacitor, half of the energy supplied by the
battery is dissipated as in the half is storedin the capacitor.
明天就要考了,救命 >_<
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