7.4 The switch in the circuit in Fig. P7.4 has been closed for a long time before opening at t 0. a) Find i (0") and iz(0). b) Find i (0*) and iz(0*). PSPICE MULTISIM Figure P7.4 500 N 6 kN c) Find i(t) for t 2 0. d) Find i(t) for t 0*. e) Explain why iz(0") # iz(0*). 40 V 400 mH

3) HI Vs S1 50 V R1 R=4.7 MQ HHI C1 C=2.2 µF a) How much time does it take after S1 is closed for the voltage across C1 to be 25 V? b) How much time does it take after S1 is closed for C1 to fully charge?

Question 777 Full explain this question and text typing work only     We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line

Determine unknown quantities: 0.9 V- GT RT R₁30 R₂60 R3 1.50