The maximum permissible current through a galvanometer G of internal resistance 10\(\Omega\) is 0.05A. A...
PHYSICS
JAMB 1992
The maximum permissible current through a galvanometer G of internal resistance 10\(\Omega\) is 0.05A. A resistance R is used to convert G into a voltmeter with a maximum reading of 100V. Find the value of R and how it is connected to G
- A. 20,000 ohms in parallel
- B. 19,990 ohms in series
- C. 1990 ohms in series
- D. 100 ohms in series
Correct Answer: C. 1990 ohms in series
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