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A galvanometer has a a coil resistance 1...

A galvanometer has a a coil resistance 100 ohm and gives a full scale deflection for 30 mA current. If it is to work as a voltmeter of 30 volt rang, the resistance required to be added will be

A

500 ohm

B

900 ohm

C

1,000 ohm

D

1,800 ohm

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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. A galvanometer acting as a voltemeter will have

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  2. To convert galvanometer into a voltmeter.

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  3. A galvanometer has a a coil resistance 100 ohm and gives a full scale ...

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  4. A galvanometer of resistance 50 Omega is connected to a battery of 3 V...

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  5. A galvanometer of 50 ohm resistance has 25 divisions. A current of 4xx...

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  6. The resistance of an ammeter is 13 Omega and its scale is graduated fr...

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  11. A bar magnet having a magnetic moment of 2 xx 10 ^(4) JT ^(-1) is free...

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