1μC charge is shifted from A to B, and it is found that work done by an external force is 40μJ. In doing so against electrostatic forces, find potential difference VA−VB. 1μC charge is shifted from A to B and it is found that work done by an external force is 40μJ. In doing so against electrostatic forces find potential difference VA−VB. August 31, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related