Fototapeta A physical experiment with an electromagnet that demonstrates the dependence of its strength on voltage and current strength in an electrical circuit.

A physical experiment with an electromagnet that demonstrates the dependence of its strength on voltage and current strength in an electrical circuit.

Numer zdjęcia: 290701572, autor: © ser68orion

Tytuł: A physical experiment with an electromagnet that demonstrates the dependence of its strength on voltage and current strength in an electrical circuit.

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