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Distinguish between conducor and semicon...

Distinguish between conducor and semiconductor on the basis of theory of solids.

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SUNSTAR PUBLICATION-ANNUAL EXAM QUESTION PAPER MARCH -2015-PART-A
  1. Draw the block diagram of generalised communication system.

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  2. Derive an expression for capacitance of a paralle plate capacitor

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  3. How is galvanometer converted into an ammeter?

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  4. Distinguish between diamagnetic and paramagnetic substances.

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  5. Derive the expression for emf induced in a straight conductor moving p...

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  6. Show that voltage in an inductor leads the current by pi//2 rad for ...

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  7. what is interference ? Write the condition for path difference in case...

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  8. Derive an expression for the radius of n^(th) Bohr's orbit of hydrogen...

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  9. Distinguish between conducor and semiconductor on the basis of theory ...

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  10. Obtain an expression for the electric field intenstiy at a point on th...

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  11. Obtain an expression for equivalent resistance of two resistors connec...

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  12. Derive the expression for magnetic field at a point on the axis of a c...

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  13. Derive the expression for refractive index of the material of the pris...

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  14. Write Einsteins's equation of photoelectric effect. Give Einstens expl...

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  15. What is amplification? With a circuit diagram, explain the working of ...

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  16. two point charges + 1n C and -4 nc are 1m apart in air . Find the posi...

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  17. Two cells of emf 2V and 4V and internal resistance 1Omega and 2Omega r...

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  18. A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applie...

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  19. In a young ,s double slit experiment distance the slits is 1mm. The fr...

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  20. Determine the mass of Na^(22) which has an activity of 5mCi. Half life...

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