Open/ incomplete circuit   - Both ends of a wire negatively charged or a gap in the circuit , Closed circuit - Both wires positively and negatively charged and circuit is complete, Electrons - A flow of electrical energy , Conductor - Allows electrical energy to flow , Insulator - Prevents the flow of electrical energy ,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?