Lei de Ohm - Potencia e energia

Quiz
•
Science
•
University
•
Hard
Luiz Marangoni
Used 7+ times
FREE Resource
6 questions
Show all answers
1.
MATH RESPONSE QUESTION
5 mins • 1 pt
Uma lâmpada tem as seguintes especificações 120V/60W, calcular a intensidade da corrente que a percorre. Inclua imagens de sua resolução.
Mathematical Equivalence
ON
2.
MATH RESPONSE QUESTION
5 mins • 1 pt
Uma lâmpada tem as seguintes especificações 120V/60W, calcular a energia consumida em 5h de funcionamento (em kWh).
Mathematical Equivalence
ON
Answer explanation
Calcule a energia em kWh
3.
MATH RESPONSE QUESTION
5 mins • 1 pt
Um aquecedor de ambiente tem as seguintes especificações 2000W/110V, calcule a resistência do aquecedor. Apresente seus cálculos
Mathematical Equivalence
ON
Answer explanation
Calcule a energia em kWh
4.
MATH RESPONSE QUESTION
5 mins • 1 pt
Um aquecedor de ambiente tem as seguintes especificações 2000W/110V, calcule a quantidade de calor, em calorias, fornecida ao ambiente durante 2 minutos.
Mathematical Equivalence
ON
Answer explanation
1) Calcule a quantidade de calor (energia) em Joules produzida
2) Divida por 4,18 para obter o resultado em calorias
5.
MATH RESPONSE QUESTION
5 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
1) Calcule a corrente em mA
6.
MATH RESPONSE QUESTION
5 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
1) Calcule a corrente em mA
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