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1. |
A galvanometer has resistance of 10 ohms and a full scale deflection is produced by 5 milli amperes. What is the value of resistance that should be connected in series with it in order to enable it to read 2V? |
A. | 20 |
B. | 10 |
C. | 40 |
D. | 30 |
Answer» E. | |