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1. |
An ammeter has a current range of 0-5 A, and its internal resistance is 0.2 Ω. In order to change the range to 0-25 A, we need to add a resistance of |
A. | 0.8 Ω in series with the meter |
B. | 1.0 Ω in series with the meter |
C. | 0.04 Ω in parallel with the meter |
D. | 0.05 Ω in parallel with the meter |
Answer» E. | |