Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the rotio of the magnetic fields at their centers. Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the rotio of the magnetic fields at their centers. October 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related