cse • paper_1 • electrodynamics
[UPSC CSE 2017] Electrostatics and Magnetostatics (Q95, 10M)
A current i(t)=(2e^{-t}-e^{-2t})\,\mu\mathrm{A} charges up a 120\,\mathrm{nF} capacitor for a period of 2 seconds. If the final voltage across the capacitor is 15\,\mathrm{V}, what was the initial voltage across it?
Discussion (0)
Sign in to post a solution, derivation, or discussion.
No comments yet. Start the conversation!