Question

WĞůĂƐ ůĞŝƐ ĚĞ &ĂƌĂĚĂǇ Ğ ŵƉğƌĞ͕ ĐŽŵďŝŶĂĚĂƐ͕ Ġ ƉŽƐƐşǀĞů ƚƌĂŶƐŵŝƟ ƌ Ğ ĐĂƉƚĂƌ ŝŶĨŽƌŵĂĕƁĞƐ ĞŶƚƌĞ ĚƵĂƐ ĞƐƉŝƌĂƐ͘hŵĐŝƌĐƵŝƚŽZ>͕ĐŽŶƐƟƚƵşĚŽ ƉŽƌƵŵĂĨŽŶƚĞ͕ƵŵƌĞƐŝƐƚŽƌ͕ ƵŵƐŽůĞŶŽŝĚĞĞƵŵĐĂƉĂĐŝƚŽƌ͕ƚġŵĞŵƐĞƵ ĨƵŶĐŝŽŶĂŵĞŶƚŽŽƐĂƐƉĞĐƚŽƐĨƵŶĚĂŵĞŶƚĂŝƐĚŽƉƌŽĐĞƐƐŽĚĞĐĂƉƚĂĕĆŽĚĞƐƐĞƐƐŝŶĂŝƐ͘ ƐƐĞ ƐŝƐƚĞŵĂ͕ ĐŝƌĐƵŝƚŽ Z>͕ Ġ Ƶŵ ŽƐĐŝůĂĚŽƌ ĞůĠƚƌŝĐŽ ŽŶĚĞ ŽƌĂ Ă ĞŶĞƌŐŝĂ ŵĂŐŶĠƟĐĂ ĂƌŵĂǌĞŶĂĚĂ ŶŽ ĐĂŵƉŽ ŵĂŐŶĠƟĐŽĚŽƐŽůĞŶŽŝĚĞĠĐŽŶǀĞƌƟĚĂĞŵĞŶĞƌŐŝĂĞůĠƚƌŝĐĂĂƌŵĂǌĞŶĂĚĂŶŽĐĂŵƉŽĞůĠƚƌŝĐŽĚŽĐĂƉĂĐŝƚŽƌ͕ŽƌĂ ŽĐŽƌƌĞŽŝŶǀĞƌƐŽ͕ĐŽŵƵŵĂĨƌĞƋƵġŶĐŝĂŶĂƚƵƌĂůĚĞŽƐĐŝůĂĕĆŽ͘ YƵĂŶĚŽŽĐŝƌĐƵŝƚŽĠĨŽƌĕĂĚŽĂŽƐĐŝůĂƌĐŽŵĞƐƐĂĨƌĞƋƵġŶĐŝĂ͕ĂƌĞ ƐƉŽƐƚĂĂĐŽŶƚĞĐĞĞŵĨĂƐĞĐŽŵĂĞǆĐŝƚĂĕĆŽ͕ ĐŽŵŽŽĐŽƌƌĞĞŵƋƵĂůƋƵĞƌŽƐĐŝůĂĚŽƌĨŽƌĕĂĚŽ͘EĞƐƐĂƐĐŽŶĚŝĕƁĞƐ͕Ž ƐŝƐƚĞŵĂĞŶĐŽŶƚƌĂͲƐĞĞŵƌĞƐƐŽŶąŶĐŝĂ͘ KďƐĞƌǀĞŽĐŝƌĐƵŝƚŽƌĞƉƌĞƐĞŶƚĂĚŽŶĂĮŐƵƌĂĂďĂŝǆŽ͘ E = 100 V

Figura da questão (imagem do caderno de prova)

R = 80 Ω ŽŶƐŝĚĞƌĂŶĚŽƋƵĞŽĐŝƌĐƵŝƚŽĚĂĮŐƵƌĂĞŶĐŽŶƚƌĂͲƐĞĞŵƌĞƐƐŽŶąŶĐŝĂ͕ĂǀĂůŝĞĂƐĂĮƌŵĂĕƁĞƐĂƐĞŐƵŝƌ͘ I. ĨƌĞƋƵġŶĐŝĂĚĂĨŽŶƚĞĚĞϭϬϬsĠĚĞϭϬϬϬ<,ǌ͘ II. YƵĂŶƚŽŵĞŶŽƌŽǀĂůŽƌĚĂƌĞƐŝƐƚġŶĐŝĂZ͕ŵĂŝŽƌĂƌĞƐƉŽƐƚĂĚŽĐŝƌĐ ƵŝƚŽĞŵƚĞƌŵŽƐĚĞĐŽƌƌĞŶƚĞĞůĠƚƌŝĐĂ͕ ƋƵĞ͕ŶĞƐƐĞĐĂƐŽ͕ƚĞŵĂŵƉůŝƚƵĚĞŝŐƵĂůĂϭ͕Ϯϱ͘ III. ĞĂĐŽƌĚŽĐŽŵĂůĞŝĚĞŵƉğƌĞ͕ƋƵĂŶĚŽŽĐĂƉĂĐŝƚŽƌƐĞĚĞƐĐĂƌƌĞŐĂ͕ ƐƵƌŐĞƵŵĂĨŽƌĕĂĐŽŶƚƌĂͲĞůĞƚƌŽŵŽƚƌŝǌ ŶŽƐƚĞƌŵŝŶĂŝƐĚŽƐŽůĞŶŽŝĚĞ͕ƋƵĞƚĞŶĚĞĂƐĞĐŽŶƚƌĂƉŽƌăǀĂƌŝĂĕĆŽ ĚĂĐŽƌƌĞŶƚĞ͕ĞĂĐŽƌƌĞŶƚĞƉĂƐƐĂĂŇƵŝƌ ŶŽƐĞŶƟĚŽĐŽŶƚƌĄƌŝŽ͕ĚĞŵŽĚŽĂĐĂƌƌĞŐĂƌŶŽǀĂŵĞŶƚĞŽĐĂƉĂĐŝƚŽƌ͘ ĐŽƌƌĞƚŽŽƋƵĞƐĞĂĮƌŵĂĞŵ

Accepted Answer

C) /Ğ//͕ĂƉĞŶĂƐ͘

Answer

A) //͕ĂƉĞŶĂƐ͘

Answer

B) ///͕ĂƉĞŶĂƐ͘

Answer

D) /Ğ///͕ĂƉĞŶĂƐ͘

Answer

E) /͕//Ğ///͘ 19 &1^/

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