Two thick wires and two thin wires, all of the same materials and same length from a square in the three different ways P,Qand R as shown in figure with current connection shown, the magnetic field at the center of the square is zero in cases. all of the same materials and same length from a square in the three different ways P Qand R as shown in figure with current connection shown the magnetic field at the center of the square is zero in cases. Two thick wires and two thin wires September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related