QUESTION IMAGE
Question
if you tripled the voltage in a circuit, what would happen to the current?
the current would also be tripled because voltage and current are directly proportional
the current would also be reduced to 1/3 (33%) because voltage and current are inversely proportional
rewatch
Step1: Aplicar la Ley de Ohm
La Ley de Ohm establece que \( V = IR \), donde \( V \) es el voltaje, \( I \) es la corriente y \( R \) es la resistencia. Si la resistencia \( R \) permanece constante (suponiendo que no cambie la resistencia del circuito), y el voltaje \( V \) se triplica (\( V_{nuevo}=3V \)), entonces:
Step2: Despejar la corriente
Desde \( V = IR \), si \( V_{nuevo}=3V \) y \( R \) es constante, entonces \( 3V = I_{nuevo}R \). Dividiendo por \( R \) en ambos lados: \( I_{nuevo}=\frac{3V}{R}=3\frac{V}{R} \). Pero \( \frac{V}{R}=I \) (corriente original), así que \( I_{nuevo} = 3I \).
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La corriente se triplicará.