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Explain briefly the doping level and siz...

Explain briefly the doping level and size of three regions of a transistor

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SUBHASH PUBLICATION-SUPER MODEL QUESTION PAPER ( WITH ANSWERS ) -PART C
  1. Define self inductane of a solenoid. On what factors does it depend ?

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

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  3. Write any three difference between interference and diffraction.

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  4. Explain Werner Heisenberg's uncertainty principle (qualitative).

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  5. Explain a typical p-n juction solar cell with a neat labelling

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  6. Give the expression for torque experienced by an electric dipole in an...

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  7. Give the expression for electric field intensity due to an infinite th...

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  8. Starting from an expression for torque acting on a bar magnet obtain ...

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  9. Show that the sum of electrostatic energy and magnetic energy in an LC...

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  10. S.T f=(R )/(2) in the case of a spherical mirror where symbols have ...

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  11. Show that the two waves interfere constructively when the path differe...

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  12. Explain briefly the doping level and size of three regions of a trans...

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  13. Obtain the relation between electric field and electric potential due ...

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  14. Derive the expression for energy stored in a charged capacitor.

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  15. How is a galvanometer converted into a voltmeter?

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

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  17. What is a transformer ? Mention two sources of energy loss in a transf...

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  18. Mention any three application of polaroids

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  19. Write any three experimental observations of photoelectric effect

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  20. Distinguish between p type and n type semiconductors

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