ch28-p051 - 51. (a) The current in the galvanometer should...

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51. (a) The current in the galvanometer should be 1.62 mA when the potential difference across the resistor-galvanometer combination is 1.00 V. The potential difference across the galvanometer alone is iR g = 162 10 753 0122 3 .. . AV , c h bg so the resistor must be in series with the galvanometer and the potential difference across it must be 1.00 V – 0.122 V = 0.878V. The resistance should be R = 0878 162 10 542 3 . VA c h (b) As stated above, the resistor is in series with the galvanometer. (c) The current in the galvanometer should be 1.62 mA when the total current in the
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