A galvanometer has a resistance of 5Ω. By using a shunt wire of resistance 0.05Ω,
PHYSICS
JAMB 1999
A galvanometer has a resistance of 5Ω. By using a shunt wire of resistance 0.05Ω, the galvanometer could be converted to an ammeter capable of reading 2Amp. What is the current through the galvanometer?
- A. 2mA
- B. 10mA
- C. 20mA
- D. 25mA
Correct Answer: C. 20mA
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