A galvanometer having a resistance of 25.0 has a 1.00 shunt resistance installed to convert
Question:
A galvanometer having a resistance of 25.0 Ω has a 1.00 Ω shunt resistance installed to convert it to an ammeter. It is then used to measure the current in a circuit consisting of a 15.0 Ω resistor connected across the terminals of a 25.0 V battery having no appreciable internal resistance.
(a) What current does the ammeter measure?
(b) What should be the true current in the circuit (that is, the current without the ammeter present)?
(c) By what percentage is the ammeter reading in error from the true current?
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Related Book For 
University Physics with Modern Physics
ISBN: 978-0133977981
14th edition
Authors: Hugh D. Young, Roger A. Freedman
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