A polythene piece rubbed with wool is found to have a negative charge of 3 x 10 ^ -7 C . A polythene piece rubbed with wool is found to have a negative charge of 3 x 10 ^ -7 C . October 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related