Version 4
SHEET 1 880 680
WIRE 0 0 -80 0
WIRE 176 0 80 0
WIRE 272 0 176 0
WIRE 528 0 272 0
WIRE 608 0 528 0
WIRE 608 16 608 0
WIRE 176 32 176 0
WIRE 528 32 528 0
WIRE 336 112 176 112
WIRE 528 112 336 112
WIRE -80 144 -80 0
WIRE 608 144 608 96
WIRE 336 208 336 112
WIRE 608 208 608 144
WIRE -80 352 -80 224
WIRE 336 352 336 288
WIRE 336 352 -80 352
WIRE 608 352 608 288
WIRE 608 352 336 352
WIRE 336 368 336 352
FLAG -80 0 node1
FLAG 272 0 node2
FLAG 336 112 node3
FLAG 608 144 node4
FLAG 336 368 0
SYMBOL voltage -80 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 50
SYMBOL res -16 16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res 320 192 R0
SYMATTR InstName R2
SYMATTR Value 2
SYMBOL res 592 0 R0
SYMATTR InstName R3
SYMATTR Value 8
SYMBOL current 176 112 R180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 3
SYMBOL bv 608 192 R0
SYMATTR InstName B2
SYMATTR Value V=4*I(R1)
SYMBOL bi 528 112 R180
WINDOW 0 24 80 Left 2
WINDOW 3 -35 -17 Left 2
SYMATTR InstName B1
SYMATTR Value I=V(node3)/4
TEXT 48 312 Left 2 !.op