The Characteristic Curve

Voltage	Amperage
0 V	0 A
2 V	0,4 A
4 V	0,8 A
6 V	1,2 A
8 V	1,6 A

As you probably already know, Ohm's Law tells us that voltage U rises proportionally to amperage I. As a short form we can write U ∼ I.

Before we take a closer look at the light bulb, we first want to draw the U-I-curve of an ohmic resistance.

Download this template and print it. In this coordinate system you now plot a point for each pair of values of the table and connect those points. What can you see and what does that mean?

On the next page you can check your solution!