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>> No.10097827 [View]
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10097827

>>10097746
You dont

a)
75 = 75*i_2 + 50(i_2-i);
50(i-i_2) + 20*i + 5*(i+50) = 0

i=-4mA

b) i=1mA

c) T = L/R = 200/75 us

d) i(t)= i_b - (i_b-i_a)e^-t/T = 1-5e^-t/(2.666...us)

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