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Current sensivity of galvanometer in inv...

Current sensivity of galvanometer in inversely proportional to……

A

number of turns

B

torsional constant

C

area

D

magnetic field

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The correct Answer is:
A
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KUMAR PRAKASHAN-ELECTROMAGNETIC WAVES-BOARD.S QUESTION PAPER MARCH - 2020 (PART - A)
  1. A straight wire of mass 200g and length 1.5m carries a current of 2A. ...

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  2. Unit of Bohr magneton is …..

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  3. Current sensivity of galvanometer in inversely proportional to……

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  4. Frequency of cyclotron is independent of …….

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  5. A circular coil of a wire containing 100 turns each of radius 2cm carr...

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  6. Which one of the following represent Curie's law?

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  7. At the place, on the surface of the earth, ratio of horizontal and ver...

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  8. Meissner effect is observed in………substances.

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  9. Dimensional formula of mutual inductance is …….

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  10. The magnitude of the induced emf is equal to the time rate of change o...

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  11. Which one of the following is an equation of magnetic energy density?

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  12. A 15 mu F capacitor is connected to a 220V, 50Hz a.c source Value of c...

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  13. Electric quantity …………is equivalent to mechanical quantity, force cons...

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  14. In L-C capacitor oscillator at………. Time energy in capacitor and energy...

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  15. A power transmission line feeds input power at 3300V to a step down tr...

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  16. Dimension of 1/(mue) is same as dimension of…….

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  17. Frequency of FM radio band is from…….

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  18. To destroy cancer cells……. Are used.

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  19. In optical fiber the refractive index of the material of the core is……...

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  20. A magician during a show makes a glass lens with n=1.47 disappear in t...

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