Privacy Policy
Mechanics Help Toolbox Thermodynamics Electricity Optics

Empty lamp

Fred und Lilly bemerken, dass eine Taschenlampe leer wird. Sie wundern sich, da sie wissen, dass Strom eigentlich nicht verbraucht werden kann. Wieso ist die Lampe leer? Was ist also mit dem Strom geschehen?

Behind the buttons on the right side you can find tips for the solution. Choose one of them! You can also use several hints successively.

Helpful hints
Duel between lamps
Which light bulb shines brighter?
Compasses and current
We observe the current.
The usage of energy
Lilly and Fred think about what is happening with the energy.
In the battery
Where does the current from the battery come from, actually?
This may help you...
In the toolbox you can find important physical basics and useful facts.
"I've got it!"...
...and I would like to answer the question.