Ohm's law
For these activities:
- use Challenge to see how much you already know
- use Reinforcement for extra practice.
For more information choose Resources, and look in Electrical principles under Terminology.
Using Ohm's law
Ohm's law is used to describe the relationship between current, voltage and resistance. Ohm's law is the key to understanding how and why certain conditions exist in an electrical circuit.
These activities present Ohm's law questions and problems.