1. Derive the differential equation for current i() in seriescircuit below. The impressed emf is E(t) = 10 sin t. Show your step by step solution. 4.7 KD 4.7 ko 100 mH 100 ml 84 ITF 2. A cubical tank with a circular hole of area An at the bottom haswater leaking through it. Due to friction and contraction nearthe hole, the volume of water leaving the tank per second isreduced to cAnd/2gh where c isan empirical constant with a range of values0