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A galvanometer of resistance 100Omega gi...

A galvanometer of resistance `100Omega` gives full scale deflection for `10mA` current. What should be the value of shunt, so that it can measure a current of 100mA?

A

` 11.11 Omega`

B

` 9.9 Omega`

C

`1.1 Omega`

D

`4.4 Omega`

Text Solution

Verified by Experts

The correct Answer is:
A
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MOTION-Electrical Instrument -EXERCISE -1
  1. The resistance of 100 Omega and 200 Omega are connected in series with...

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  2. The shunt required for 10% of main current to be sent through the movi...

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  3. A galvanometer of resistance 100Omega gives full scale deflection for ...

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  4. A galvanometer of resistance 100Omega gives full deffection for a curr...

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  5. A galvanometer of resistance 100Omega gives full deffection for a curr...

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  6. The deflection in a galvanometer fulls from 50 divisions to 20 divisio...

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  7. The resistance of a moving coil galvanometer is 20 Omega . If requires...

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  8. A galvanometer has a resistance of G ohm and range of V volt. Calculat...

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  9. The deflection of a moving coil galvanometer reduces to half on shunti...

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  10. When the current flowing in a galvanometer is (1/n) of the total curre...

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  11. A galvanometer can be converted into a voltmeter by connecting a

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  12. In every experiment with potentiometer in the null point state, the po...

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  13. The specific resistance per unit area of cross section of a wire is eq...

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  14. If the length of the potentiometer wire is doubled, the sensitivity fo...

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  15. The potential gradient of the potentiometer wire depends on

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  16. The potentiometer wire is replaced by another wire whose length thickn...

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  17. If the current in a potentiometer increases, the position of the null ...

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  18. The length of a potentiometer wire is 10m and a potential difference o...

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  19. As is the cross sectional area and rho is the specific resistance of a...

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  20. Potentiometer is an ideal instrument because

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