mariana6996 mariana6996
  • 25-02-2021
  • Physics
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Calcula la lectura del amperímetro ideal en l figura

Calcula la lectura del amperímetro ideal en l figura class=

Respuesta :

mberisso
mberisso mberisso
  • 25-02-2021

Answer:

2/3 Amp

Explanation:

Write the two equations for the two complete loops in the circuit:

Upper loop:   i1 * 1 Ω + 7 V + (i1 - i2) 1 Ω - 6 V= 0

2 i1 - i2 = -1

Lower loop:  (i2 - i1) 1 Ω + 6 V + i2 1 Ω - 3 V = 0

- i1 + 2 i2 = -3

Solve the system of two equations:

i1 = -5/3 Amp

i2 = - 7/3 Amp

Therefore, an amp-meter in the branch of the 6V battery will read the difference between current i1 and i2. That is 2/3 Amp.

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