1. The problem statement, all variables and given/known data Hello everyone , this question has been troubling me for weeks,so if anyone could please help me out.i have attached the pic of the question.The answer given is 2 seconds but i am getting a different answer. 2. Relevant equations first of all i distributed the charge on the two plates so that there exist no electric field in the conductor.then i calculated the time taken to discharge the charge presant on inside half of the plates But the main thing that's troubling me is how to deal with the charge present on outside of the plate. 3. The attempt at a solution i have also attached my solution to the question.