RTh= Rp || RTh<
RTh= RCdS + RTh<
RTh=(Ra+RTh1<)||(Rb+RTh2<)
RTh=(R1 + RTh< ) || R2
+RTh<
+RTh<
Resistor: parallel
Rp
G=Rp
Rp
Resistor: variable(CdS Photocell)
RCdS
Ra
Rb
Potentiometer
R1
R2
R1
R2
V-Divider
G = R2
R1+R2
+RTh< TotRTh<Tot =RTh1< +RTh2<
+RTh<Tot
+RTh2<
+RTh1<
G1=Rpot
Rpot
Rb
RaG2=Rpot = Ra + Rb
6
8
5
7
RTh= RTh<
RTh= R + RTh<
RTh= RTh<
RTh= RT + RTh<
vs1
Resistor
Voltage Source
R
vs2
RT
Voltage Source
Resistor: variable(Thermistor)
1
3
2
4
15.2 15.2
15.2 15.2
15.2 15.2
15.2 15.2
R R
R R
R R
R R