Homework Answers
A.
resonance frequency is given by:
w = 1/sqrt (LC)
w = 2*pi*f
f = 1/(2*pi*sqrt (1.10*10^-6*0.1)) = 479.87 Hz
B.
max charge Q = C*V = 1.1*10^-6*12 = 1.32*10^-5 C
C.
Using energy conservation
Ec)max = El)max
0.5*Qmax^2/C = 0.5*L*imax^2
imax = Qmax/sqrt (C*L
imax = 1.32*10^-5/sqrt(1.1*10^-6*0.1)
imax = 0.0398 Amp.
D.
Total energy is constant, So
Umax = 0.5*L*imax^2
Umax = 0.5*0.1*0.0398^2 = 7.92*10^-5 J
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The switch in the figure below is connected to position a for a long time interval....
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