5.1 V0=-3V, 5.4 I0=1.14mA, 5.6 I0=1.2mA, 5.13 V0=4V, 5.21 I0=-3mA, 5.32 V0=4.8V, 5.40 Voc=-16V, 5.53 I0=2.57mA, 5.66 V0=-0.316V, 5.85 V0=2V, 5.91 I0=-0.375mA

6.1 V=40V,

6.9 33.3mA 0-3ms, -33.3mA 3-6ms, 0 6-10ms, 40mA 10-15ms, -40 mA 15-20ms,

6.20 0 V t<0, 200t V 0=t<10ms, 4-200t V 10=t<20ms, -4+200t V 20=t<30ms, 8-200t V 30=t<40ms, -8+200t V 40=t<50ms, 0 50=t<60ms. 

6.22 2mH, 6.37 0 t=0, 320mV 0<t=0.3s, -480mV 0.3<t=0.6s, 0 0.6<t=0.9s, 1200mV 0.9<t=1.1s, 0 t>1.1s.

6.50 6F, 6.56 54/5 F, 6.69 6mH, 6.72 35/12 H