A galvanometer has an internal resistance of 100 ? and deflects full-scale at 2.00 mA
What size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 mA, and how should this resistor be connected to the galvanometer?
A) 50.0 ? in series with the galvanometer
B) 50.0 ? in parallel with the galvanometer
C) 75.0 ? in parallel with the galvanometer
D) 100 ? in series with the galvanometer
E) 100 ? in parallel with the galvanometer
Answer: E
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