In electrical circuits, electric energy is converted into heat, light, and movement. This means that electric work can generate the following effec...
In electrical circuits, electric energy is converted into heat, light, and movement. This means that electric work can generate the following effects:
I- Heat effect - In stoves, showers, heaters, electric energy is converted into heat.
II- Luminous effect - In lamps, electric energy is converted into light (and also a portion into heat).
III- Mechanical effect - Motors convert electric energy into driving force, that is, into movement.
I and II are correct.
I and III are correct.
II and III are correct.
I, II, and III are correct.
I- Heat effect - In stoves, showers, heaters, electric energy is converted into heat.
II- Luminous effect - In lamps, electric energy is converted into light (and also a portion into heat).
III- Mechanical effect - Motors convert electric energy into driving force, that is, into movement.
I and II are correct.
I and III are correct.
II and III are correct.
I, II, and III are correct.
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💡 1 Resposta
Ed 
A alternativa correta é: "I, II e III estão corretas". Isso porque a energia elétrica pode ser convertida em calor (efeito térmico), luz (efeito luminoso) e movimento (efeito mecânico), como explicado nas opções I, II e III.
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