Version 4
SHEET 1 880 680
WIRE 192 -48 96 -48
WIRE 432 -48 256 -48
WIRE 96 64 96 -48
WIRE 192 64 96 64
WIRE 432 64 432 -48
WIRE 432 64 272 64
WIRE -80 112 -208 112
WIRE 48 112 0 112
WIRE 96 112 96 64
WIRE 96 112 48 112
WIRE 432 112 432 64
WIRE 528 112 432 112
WIRE -208 144 -208 112
WIRE 96 160 96 112
WIRE 192 160 96 160
WIRE 320 160 272 160
WIRE 432 160 432 112
WIRE 432 160 400 160
WIRE 528 160 528 112
WIRE -64 176 -64 160
WIRE -16 176 -16 160
WIRE -208 272 -208 224
WIRE -16 272 -16 256
WIRE 528 272 528 240
FLAG 528 272 0
FLAG -208 272 0
FLAG -64 176 0
FLAG -16 272 0
FLAG 48 112 1
FLAG 528 112 2
SYMBOL Misc\\EuropeanResistor 512 144 R0
SYMATTR InstName R2
SYMATTR Value {100*(1-x)+1m}
SYMBOL ind 176 176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 100m
SYMBOL voltage -208 128 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL sw -96 112 R270
SYMATTR InstName S1
SYMATTR Value SW1
SYMBOL voltage -16 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(1 0 100u 1n 1n 1)
SYMBOL diode 256 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor 288 48 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL Misc\\EuropeanResistor 416 144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName RS
SYMATTR Value {100*x+1m}
TEXT -224 336 Left 2 !.model sw1 sw(Ron=1m Roff=1G Vt=0.5)
TEXT -208 -56 Left 2 !.tran 0 20m 0 1u
TEXT 120 32 Left 2 ;I(R1)
TEXT 120 128 Left 2 ;I(L1)
TEXT -208 -136 Left 2 ;https://www.mikrocontroller.net/topic/494477?goto=6236326#6236326
TEXT -208 -88 Left 2 !.step param x list 0 1
LINE Normal 160 160 144 144 2
LINE Normal 144 176 160 160 2
LINE Normal 160 64 144 48 2
LINE Normal 144 80 160 64 2