Same current i is flowing in three infinitely long wire along positive x-, y- and z- directions. The magnetic field at a point ( 0, 0, -a ) would be -a ) would be Same current i is flowing in three infinitely long wire along positive x- y- and z- directions. The magnetic field at a point ( 0 October 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related