Question: A galvanometer having a resistance of 25.0 has a 1.00 shunt resistance installed to convert it to an ammeter. It is then used

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)?

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