A galvanometer has an internal resistance of 100 ? and deflects full-scale at a current of 2.00 mA
What size resistor should be added to it to convert it to a millivoltmeter capable of reading up to 400 mV, 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
D
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A. 70 N•m B. 45 N•m C. 37 N•m D. 25 N•m E. 12 N•m
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Relative to the focal length of a wide-angle camera lens, the focal length of a telephoto lens is
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A planet is detected via the Doppler method. What does the time between peaks of the stellar velocity tell us?
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