In a circuit, what happens to the total current if you add another resistor in parallel?198 answeredIt increases It decreases It remains the same. It depends on the resistor values.
Question
In a circuit, what happens to the total current if you add another resistor in parallel?198 answeredIt increases It decreases It remains the same. It depends on the resistor values.
Solution
Para responder a esta pregunta, es importante entender cómo funcionan los circuitos en paralelo. Aquí están los pasos para llegar a la respuesta correcta:
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Entender el concepto de resistores en paralelo: En un circuito en paralelo, los resistores están conectados de tal manera que cada uno tiene el mismo voltaje a través de él.
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Ley de Ohm: La ley de Ohm establece que , donde es la corriente, es el voltaje y es la resistencia.
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Resistencia equivalente en paralelo: La resistencia total o equivalente () de resistores en paralelo se calcula usando la fórmula: Al agregar otro resistor en paralelo, la resistencia equivalente del circuito disminuye.
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Efecto en la corriente total: Dado que la resistencia equivalente disminuye al agregar otro resistor en paralelo, y asumiendo que el voltaje del circuito permanece constante, la corriente total en el circuito aumentará. Esto se debe a que, según la ley de Ohm, una menor resistencia con el mismo voltaje resulta en una mayor corriente.
Por lo tanto, la respuesta correcta es: Aumenta.
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