Experiment Eh-01
Series and Parallel Light Bulbs
Description: A
board that holds light bulbs and switches to each of the bulbs is connected to
a power source. The brightness of the bulbs indicates the amount of current
through each bulb. The switches are turned on and off to create and test
different circuits.
The
board of bulbs and switches. All switches are off.
Switch input combinations and outputs
| Switches
(0-off, 1-on, x-either) |
Lights
(--off, L-lit) |
| 1 |
2 |
3 |
4 |
5 |
A |
B |
C |
D |
F |
E |
| x |
x |
x |
0 |
x |
- |
- |
- |
- |
- |
- |
| 0 |
0 |
x |
1 |
0 |
- |
- |
- |
- |
- |
- |
| 0 |
1 |
x |
1 |
x |
- |
- |
L |
- |
- |
L |
| 1 |
1 |
1 |
1 |
x |
- |
- |
L |
- |
- |
- |
| 1 |
1 |
0 |
1 |
x |
L |
L |
L |
- |
- |
L |
| 0 |
0 |
0 |
1 |
1 |
- |
- |
L |
L |
L |
L |
| 0 |
0 |
1 |
1 |
1 |
- |
- |
L |
L |
L |
- |
| 1 |
0 |
0 |
1 |
1 |
L |
L |
L |
L |
L |
L |
| 1 |
0 |
1 |
1 |
1 |
L |
L |
L |
L |
L |
- |
Board
Schematic
Board
of bulbs and switches. All switches except for switch 2 are closed. Note that
the light bulb on the lower right (bulb F) is not lit.
This page was last updated on
Friday August 15, 2008 8:37 PM
