JEE Advanced 2020 Concept Recapitulation Test 3 Paper 2

Two concentric spherical conducting shell of radius ' R ' and Radius ' 2R′ has dielectric medium having dielectric constant K=3 between these. The dielectric strength of dielectric is E0=8 Volt ∕m. Then find dielectric breakdown voltage between the shell. (Take R=‌

1

2

m )