The electric field at the centre of a uniformly charged ring is zero. What is the electric field and potential at the centre of a half ring if the charge on it be Q and its radius be R? The electric field at the centre of a uniformly charged ring is zero. What is the electric field and potential at the centre of a half ring if the charge on it be Q and its radius be R? December 2, 2020 Category: Cengage NEET by C.P Singh , Chapter 1 - Electrostatics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related