Some steps for an experiment to prove that unlike charges attract each other. Complete the paragraph given below, using suitable words.
• Take a hard rubber rod and a piece of flannel.
• Electrify the rod by rubbing it with flannel.
• Suspend the rod with a silk thread.
• Electrify a glass rod by rubbing it with silk cloth.
• Bring the glass rod near the suspended rubber rod.
• The glass rod would attract the rubber rod.
First of all, a hard rubber rod and a piece of flannel (a) ........... . The rod is, then (b) ………… . A glass rod is, then, (c) .................... by rubbing it with silk cloth. The glass rod (d) .................... near the suspended rubber rod. The rubber rod will be attracted by the glass rod.
