Year: 2023 Manipur
Topic: Electrostatic potential and capacitance
Time :
1. A charge Q µC is placed at the centre of a cube. The flux coming out from any one of its faces will be (in SI unit) :
(1). \(\frac{Q}{ \epsilon_0}\,×\,10^{-6}\)
(2). \(\frac{2Q}{3\epsilon_0}\,×\,10^{-3}\)
(3). \(\frac{Q}{6\epsilon_0}\,×\,10^{-3}\)
(4). \(\frac{Q}{6\epsilon_0}\,×\,10^{-6}\)