Phys 104 Lab

Series & Parallel Circuits

lab contents

Data Tables

Preliminary work

Resistors

resistance

color bands

Batteries in series
lowest resistance  A  W     one battery     V 
B  W     two batteries     V 
C  W     three batteries     V 
highest resistance  D  W        

Series Circuits

  resistance determined from color codes measured currents and voltages calculated value
  R1
(W )		 R2
(W )		 I
(mA)		 Vtot
(V)		 V1
(V)		 V2
(V)		 Req
(W )
1              
2              
3              

Parallel Circuits

  resistance determined from color codes measured currents and voltages calculated value
  R1
(W )		 R2
(W )		 I
(mA)		 Vtot
(V)		 V1
(V)		 V2
(V)		 Req
(W )
1              
2              
3              

Currents

  R1
(W )		 R2
(W )		 I1
(mA)		 I2
(mA)
series        
parallel        

Light Bulb

  measured
voltage		 measured
current		 calculated
resistance
1      
2      
3