In figure , there are two patterns of electric field lines absent of dielectric and in presence of dielectric slab. The relative permittivity of the dielectric slab is In figure there are two patterns of electric field lines absent of dielectric and in presence of dielectric slab. The relative permittivity of the dielectric slab is November 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related