-. The current i in an underdamped RLC circuit is given by α -at i=EC +we sin (wt). The constants are E @ = constant emf, switched on at t=0, C = capacitance in farads, R = resistance in ohms, L = inductance 4L in henrys, α = R/2L, @= R². 2L C dQ a) The charge Q in coulombs is given by =i, and Q(0) = 0. Find an dt integral formula for Q, using the fundamental theorem of calculus. b) Determine Q by integration.

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