cse • paper_1 • electrodynamicscse-2017-subject-03-003
Capacitance — UPSC CSE 2017 Physics PYQ
Buy PYQ Solution Manual →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?
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