network 2
TRANSCRIPT
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
Solve Circuit:
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
Solve Circuit:
REDRAW
Replace 2 series resistors with one
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
Solve Circuit:
REDRAW
Replace 2 series resistors with one
Work out value
Rb = 900 + 680Rb = 1580 Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
R1 1200Ω
R5 300Ω
Solve Circuit:
REDRAW
Replace 2 series resistors with one
Work out value
Rb = 900 + 680Rb = 1580 Ω
REDRAW
Replace 2 parrellel resistors with one
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
R1 1200Ω
Rc
R5 300Ω
Solve Circuit:
REDRAW
Replace 2 series resistors with one
Work out value
Rb = 900 + 680Rb = 1580 Ω
REDRAW
Replace 2 parrellel resistors with one
Work out value
1/Rc = 1/1480 +1/1580 Rc = 764 Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
REDRAW
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
REDRAW
3 series resistor:
Rt = 1200Ω + 300 Ω + 764 Ω = 2264 Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
REDRAW
3 series resistor:
Rt = 1200Ω + 300 Ω + 764 Ω = 2264 Ω
I t = 75V/ 2264Ω I t = 33.1mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
75V
REDRAW
3 series resistor:
Rt = 1200Ω + 300 Ω + 764 Ω = 2264 Ω
I t = 75V/ 2264Ω I t = 33.1mA
DRAW THIS IN75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
Work out voltdrops
VR1 = I x R = 33.1mA x 1200 Ω = 39.7V
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
Work out voltdrops
VR1 = I x R = 33.1mA x 1200 Ω = 39.7V
VR5 = I x R = 33.1mA x 300 Ω = 9.93V
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
Work out voltdrops
VR1 = I x R = 33.1mA x 1200 Ω = 39.7V
VR5 = I x R = 33.1mA x 300 Ω = 9.93V
VRc = I x R = 33.1mA x 764 Ω = 25.28V
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
Work out voltdrops
VR1 = I x R = 33.1mA x 1200 Ω = 39.7V
VR5 = I x R = 33.1mA x 300 Ω = 9.93V
VRc = I x R = 33.1mA x 764 Ω = 25.28V
DRAW THESE IN !
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
25.28V
9.93V
39.7V
39.7V
9.93V
39.7V
9.93V
25.28V25.28V
25.28V
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
Work out Branch Currents
IR2 = V/R = 25.28V/ 1480Ω = 17.4mA
IRb = V/R = 25.28V/ 1580Ω = 16mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
25.28V
9.93V
39.7V
39.7V
9.93V
39.7V
9.93V
25.28V25.28V
25.28V
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
Work out Branch Currents
IR2 = V/R = 25.28V/ 1480Ω = 17.4mA
IRb = V/R = 25.28V/ 1580Ω = 16mA
DRAW THESE IN
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
25.28V
9.93V
39.7V
39.7V
9.93V
39.7V
9.93V
25.28V25.28V
25.28V
16mA
16mA
17
.4m
A1
7.4
mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
We can Work out last 2 voltdrops
VR3 = I x R = 16mA x 900Ω = 14.4V
VR4 = I x R = 16mA x 680Ω = 10.8V
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
25.28V
9.93V
39.7V
39.7V
9.93V
39.7V
9.93V
25.28V25.28V
25.28V
16mA
16mA
17
.4m
A1
7.4
mA
75V
R1 1200Ω
R21480Ω
R5 300Ω
R3 900Ω
R4 680Ω
We can Work out last 2 voltdrops
VR3 = I x R = 16mA x 900Ω = 14.4V
VR4 = I x R = 16mA x 680Ω = 10.8V
DRAW THESE IN
75V
R1 1200Ω
R21480Ω
R5 300Ω
Rb
75V
R1 1200Ω
Rc
R5 300Ω
33.1mA
33.1mA
33.1mA
25.28V
9.93V
39.7V
39.7V
9.93V
39.7V
9.93V
25.28V25.28V
25.28V
16mA
16mA
17
.4m
A1
7.4
mA
14.4V
10.8V