Download Kirchoff`s Law Lab

Kirchoff’s Law Lab
This lab is worth 30 points
Name: _________________
Date: ___________________
Equipment:
Breadboard
Hookup wires
(2) 1kohm resistors ½ watt
(1) 220 ohm resistor
(1) 680 ohm resistor
BK power supply
Hookup wire with alligator clips
7.2V rechargeable battery pack
Hook up the circuit below and fill in the chart below
A
R2
1.0k O
R1
220 O B
C
D
R3
680 O
25v
7.2v
battery
E
G
F
(13 pts)
Measured Value Of:
R1 __________
Voltage across Resistors
___________
R2 __________
___________
R3 __________
___________
Current at points:
A: __________
B: __________
C: __________
D: __________
E: __________
F: __________
G: __________
Questions:
Label diagram above for + and – signs for each resistor. Also draw in the flow of current
for this circuit. ( 6 pts)
Calculate the values obtained from above using any method from chapter 9. Show all
work below. (10 pts)
Indicate what method you chose (1 pt) : ___________________________