Two cells of emfs approximately 5 V and 10 V are to be accurately compared using a poteniometer of length 400 cm. Two cells of emfs approximately 5 V and 10 V are to be accurately compared using a poteniometer of length 400 cm. September 20, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related