Resistor Circuits Free

RESISTOR CIRCUITS FREE has the intention to improve your skills in working with electrical current, voltage, resistance, power, energy etcetera in resistor circuits. While exercising with this program, you'll experience the progress in handling complex circuits.
+ 4 main subjects: series and parallel, Ohm's law, power and energy, circuits
+ different levels: from very simple up to extremely complex
+ scores are saved
This free app is a limited version: you can enter all levels, but you can only choose a few circuits.

Just put it on your tablet or smartphone and try. It will be worth it. If you think you are able to handle the levels in this free program, you may switch to the full version, RESISTOR CIRCUITS, with many more difficult circuits. It's in the Play Store.