Computer · Electrical Measurements
An ammeter has a range of 0 − 10 A with an internal resistance of 0.1 Ω. In order to extend its range to 0 − 30 A, what resistance needs to be added?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.1 Ω in shunt with the meter
- 20.05 Ω in series with the meter
- 30.1 Ω in series with the meter
- 40.05 Ω in shunt with the meter✓
Correct answer
0.05 Ω in shunt with the meter
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