Sessize al
Eletrônica Aplicada
Transistor NPN explicado de forma simples ⚡ O transistor NPN funciona como um “interruptor controlado”. Quando aplicamos uma pequena corrente na base, ele permite a passagem de uma corrente muito maior do coletor para o emissor. Sem corrente na base → o transistor fica desligado ❌ Com corrente na base → ele conduz entre coletor e emissor ✅ Ou seja, um sinal pequeno controla um sinal maior — base do funcionamento de amplificadores e circuitos eletrônicos. Curtiu? Segue pra aprender eletrônica
Takip et
42
1
16
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