7.- Si un voltaje de 6 V se establece dentro de un circuito con dos lámparas conectadas en serie, por donde circula una corriente de 1A, y el voltaje dentro de la primera lámpara es de 2 V, ¿cuál es el voltaje dentro de la segunda lámpara?​

 V₂ = 4 V

Explanation:

In a series circuit the current is constant and the total voltage is the sum of the voltage across each element of the circuit.

        V = V₁ + V₂

where V is the applied voltage and V1 and V2 the voltages in each element of the circuit

        V₂ = V- V₁

let's calculate

         V₂ = 6 -2

         V₂ = 4 V

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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mass and volume are the answers you are looking for