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A current is sent through two tangent ga...

A current is sent through two tangent galvenometers in series. The deflectionis seen to be the same in both the galvanometer. Compare the radii of the coils of the galvanometer, if the number of turns in the coil of the first galvanometer is 110 and in the second 25.

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`22:5`
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NN GHOSH-GALVANOMETERS: AMMETER AND VOLTMETERS-Exercise
  1. A circular coil of radius 20 cm and 20 turns of wire is mounted vertic...

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  2. Calculate the current through a tangent galvanometer whose cells has 5...

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  3. A current is sent through two tangent galvenometers in series. The def...

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  4. Show that a tangent galvanometer is most sensitive when the deflection...

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  5. The total resistance of a simple circuit is 80 Omega including the res...

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  6. A tangent galvanometer of resistance 10Omega shows a deflection of 60^...

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  7. A circular loop of 50 turns and an area of 20 cm^(2) is placed in a ma...

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  8. A galvanometer coil of rectangular shape of length 4 cm and width 2 cm...

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  9. A moving coild galvanometer with a lamp-and-scale arrangement has a co...

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  10. In a moving coil galvanometer, the magnetic field used is 5T. The coil...

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  11. A milliammeter has a resistance of 10Omega and each division of its gr...

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  12. A moving coil galvanometer has a resistance of 200Omega and gives a fu...

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  13. A voltmeter with a resistance of 8000Omega is used to measure the emf ...

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  14. A cheap voltmeter with an internal resistance of 30Omega is connected ...

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  15. A voltmeter of range of 10 V and resistance 5000 Omega is connected in...

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  16. There is a milliameter, each division of which reads 1 mA. It has a re...

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  17. An ammeter of resistance 0.02 Omega is connected in the usual may to a...

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  18. A voltmeter of resistance 3000Omega can read up to 10 V. how would you...

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  19. A millimmater of resistance 20Omega reads up to 50 mA. Explain how the...

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  20. A battery of emf 5V and internal resistance 20Omega is connected to a ...

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