nt-Responses/submit2dep 13274478 My Notes Ask Your An LC arcut ike that in the f

Question

nt-Responses/submit2dep 13274478 My Notes Ask Your An LC arcut ike that in the figure below consists of a 3.30-H inductor and an 832-pf cagaotor that iitily carries a 124-pC charge. The then thrown dosed at t-0. Compute the folowing quantibes at t 5.00 mS. that intisly carries a 124-JC charge. The switch is open for t0 and s (a) the energy stored in the capacitor 0825 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. 1 (b) the total energy in the circuit 9 240 (c) the eneray stored in the inductor our response derers from the correct answer by more than 10%. Double check your calculations.) Nood Help o to emáO@ .

Explanation / Answer

a) w = 1/sqrt(LC) = 1/sqrt(832 x 10-12 x 3.3) = 19084.52552 rad/s

Ec = (Qmaxcoswt)2/2C = [124 x 10-6 x cos(19084.52552 x 0.005)]2/(2 x 832 x 10-12) = 1.3745 J

b) Etotal = (Qmax)2/2C =  [124 x 10-6]2/(2 x 832 x 10-12) = 9.24 J

c) EL = 9.24 - 1.3745 = 7.866 J

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