Se usan resistores de derivación con amperímetros para:

a. aumentar el rango del amperímetro.
b. aumentar la sensibilidad de los amperímetros.
c. reducir el rango del amperímetro.
d. permitir que los amperímetros puedan medir resistencias.


a. aumentar el rango del amperímetro.

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