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To send 10% of the main current through ...

To send 10% of the main current through a moving coil galvanometer of resistance `99omega`, the shunt required is –

A

`9.9 Omega`

B

` 10 Omega`

C

` 11 Omega`

D

` 9 Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-Electrical Instrument -EXERCISE -2
  1. The resistance of a galvanometer coil is 100 Omega . The value of curr...

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  2. The deflection in a moving coil galvanometer is reduced to half, when ...

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  3. To send 10% of the main current through a moving coil galvanometer of ...

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  4. In the given potentiometer circuit length of the wire AB is 3 m and re...

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  5. A potentiometer wire 10 m long has a resistance 40ohms. It is put in s...

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  6. The length of a potentiometer wire required to balance the e.m.f of ce...

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  7. In figure, AB is a potentiometer wire, length 10 m and resistance 2 Om...

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  8. A potentiometer experiment is setup as shown in fig. If both the galva...

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  9. A cell of emf (E) and internal resistance (r) is balanced across (l) l...

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  10. In a potentiometer arrangement shown in fig. The balancing length for ...

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  11. The resistivity of a potentiometer wire is 40xx10^(-8)Omega-m and its ...

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  12. A battery of emf 26V and internal resistance 0.4 ohm is connected to ...

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  13. A cell of two volt and 1.5 ohm internal resistance is connected to two...

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  14. Three wires are connected in series having resistances 2 , 3 and 5 ohm...

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  15. A ten meter long potentiometer wire is connected to accumulator of emf...

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  16. In an experiment to measure the internal resistance of a cell by a pot...

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  17. Statement I : Potentiometer is based on wheatstone bridge. Statem...

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  18. Statement I : Material used in the construction of a standard resista...

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  19. Statement -1 : A potentiometer of longer length is used for accurate m...

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  20. Assertion : The e.m.f. of the drivercell in the potentiometer experime...

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