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A galvanometer can measure a current up ...

A galvanometer can measure a current up to 20 milliampere. When it is connected in series with a resistance of 2,970 ohm, it can read upto 60 volt. The galvanometer has a resistance

A

130

B

30

C

230

D

60

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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
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  2. Can we increase/decrease the range of a given ammeter?

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  3. A galvanometer can measure a current up to 20 milliampere. When it is ...

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  4. The resistance of an ideal ammeter is

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