V= V
R1= Ω
R2= Ω
R3= Ω
RT= Ω
I1= A
I2= A
I3= A
IT= A
V1= V
V2= V
V3= V
R1 IN PARALLEL WITH R23
(R2 IN SERIES WITH R3)

R23 = R2 + R3
 1

 RT
=  1

 R1
+  1

 R23
IT =  VT

 RT
I1 =  V1

 R1
I23 =  V23
——
 R23
= I2 = I3
V1 =V23 = VT V2 = R2 I2 V3 = R3 I3
Change the values of voltage and resistance turn on the switch!