The voltage in an electric circuit is a measure of:the amount of electrical energy transformed each second.1the amount of electrical energy gained or lost by electric charge as it moves through the circuit.2the electric current travelling through the circuit.3the amount of electric charge passing through a circuit every second.

Para responder a la pregunta sobre qué mide el voltaje en un circuito eléctrico, vamos a analizar cada una de las opciones proporcionadas:

1. La cantidad de energía eléctrica transformada cada segundo.
2. La cantidad de energía eléctrica ganada o perdida por la carga eléctrica al moverse a través del circuito.
3. La corriente eléctrica que viaja a través del circuito.
4. La cantidad de carga eléctrica que pasa a través de un circuito cada segundo.

El voltaje, también conocido como diferencia de potencial, se define como la cantidad de energía eléctrica ganada o perdida por una unidad de carga eléctrica al moverse entre dos puntos en un circuito. Por lo tanto, la opción correcta es:

2. La cantidad de energía eléctrica ganada o perdida por la carga eléctrica al moverse a través del circuito.

To answer the question step by step, let's analyze each option provided:

1. "The amount of electrical energy transformed each second."

   • This statement describes power, not voltage. Power is the rate at which energy is transformed or transferred per unit time, typically measured in watts (W).

2. "The amount of electrical energy gained or lost by electric charge as it moves through the circuit."

   • This statement correctly describes voltage. Voltage, also known as electric potential difference, is the measure of the energy per unit charge gained or lost as electric charge moves through the circuit. It is measured in volts (V).

3. "The electric current travelling through the circuit."

   • This statement describes current, not voltage. Electric current is the flow of electric charge through a conductor, typically measured in amperes (A).

4. "The amount of electric charge passing through a circuit every second."

   • This statement also describes current. Current is defined as the rate of flow of electric charge, which is the amount of charge passing through a point in the circuit per unit time.

Based on the analysis, the correct answer is option 2: "the amount of electrical energy gained or lost by electric charge as it moves through the circuit."