1) Electrons are a) Positively charged particles b) Negatively charged particles 2) Protons are a) Positively charged particles b) Negatively charged particles 3) A body can be charged by rubbing a) True b) False 4) Some objects can loose their charge by rubbing a) True b) False 5) The electrical charges produced by rubbing are called a) Moving charges b) Static charges 6) On rubbing a glass rod with a silk cloth, the glass rod becomes a) Positively charged b) Negatively charged 7) How many types of charges are there? a) One b) Two c) Three

さんの投稿です

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?