(II) A galvanometer has an internal resistance of 32 ? and

Chapter 19, Problem 62P

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Problem 62P

(II) A galvanometer has an internal resistance of 32 ? and deflects full scale for a 55-µA current. Describe how to use this galvanometer to make (a) an ammeter to read currents up to 25 A, and (b) a voltmeter to give a full-scale deflection of 250 V.

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