Push a paper pin in the middle of a straw. Place the pin in a refill for smooth rotation. Rub both ends of the white straw with wool to electrically charge it. On bringing another yellow charged straw near it the white straw will be repelled. This simple experiment demonstrates static electricity.
http://www.arvindguptatoys.com/toys/Strawstatic.html This work was supported by IUCAA and Tata Trust. This film was made by Ashok Rupner TATA Trust: Education is one of the key focus areas for Tata Trusts, aiming
آی-ویدئو