完美电路 Electric Circuit

[you need some knowledge about electricity to play this game]

[Use known Value and formulas to make voltage value or current value be constant]

[Drag right item in right place to make the circuit perfect]

[If you make this game all finished, you can solve questions about circuit of high school physics easily]

[This is a difficult game, so you need to think about if you realy want to play this game before you buy it]