Back to 21.4 DC Voltmeters and Ammeters

21.4 Exercise 10

Avg difficulty 2.5

Find the resistance that must be placed in parallel with a 25.0-Ω\text{25} . 0-Ω galvanometer having a 50.0-μA\text{50} . 0-μA sensitivity (the same as the one discussed in the text) to allow it to be used as an ammeter with a 10.0-A full-scale reading. Include a circuit diagram with your solution.

OpenStax College Physics 2e, 21.4 DC Voltmeters and Ammeters, exercise 10

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.