A galvanometer has a full-scale deflection current of 5 mA and an internal resistance of 40 N. It is intended to use it, first, as a voltmeter reading to 20 V, then as an ammeter reading to 10 A. Draw circuits enabling these two functions and calculate the required component values.

A galvanometer has a full-scale deflection current of 5 mA and an internal resistance of 40 N. It is intended to use it, first, as a voltmeter reading to 20 V, then as an ammeter reading to 10 A. Draw circuits enabling these two functions and calculate the required component values.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 62P: A 0.50-W, 220- resistor carries the maximumcurrent possible without damaging the resistor. If the...

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Question

A galvanometer has a full-scale deflection current of 5 mA and an internal resistance of
40 N. It is intended to use it, first, as a voltmeter reading to 20 V, then as an ammeter
reading to 10 A. Draw circuits enabling these two functions and calculate the required
component values.

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