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Draw the I-V characteristics of a light ...

Draw the I-V characteristics of a light emitting diode (LED) and explain its working principle.

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UNITED BOOK HOUSE-QUESTION PAPER 2015-EXERCISE
  1. Calculate the speed of light in a mediun whose crifical angel is 45^@....

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  2. What is meant by stopping potential in photoelectric emission? Does th...

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  3. What conclusion is drawn from Davission-Germer experiment? Are matter ...

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  4. Write down the relation between radius of the nucleus and mass number ...

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  5. Draw the I-V characteristics of a light emitting diode (LED) and expla...

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  6. Draw the output characteristic curves of a n-p-n transistor in a C-E c...

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  7. What is NOR gate? Prepare its Truth Table. Why is it called Universal ...

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  8. What is Zener dioide? Draw its voltage vs currrent characteristics in ...

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  9. With the help of a circuit expain the function of a shunt used in a ga...

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  10. Sate Kirchhoff's laws in a network of conductors carrying current. 'S...

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  11. Establish the balanced condition of Wheatstone's bridge by applying Kr...

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  12. Length diameter and specific resistance of two wires of different mat...

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  13. Define self inductance of a coil.

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  14. A metallic disc of radius 10 cm is roatating uniforminty about a horiz...

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  15. The instantaneous voltage from an ac souce is given by e=200 sin 314t ...

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  16. State the condition under which the phenomenon of resonance occurs in ...

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  17. Focal lengths of two thin lenses kept in contant are f1 and f2. Prove ...

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  18. The refracting angle of a prism is 60^(@) and the refractive index of ...

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  19. The object and the image are at distances x and y respectively from t...

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  20. Light from a point source placed at the bottom of a rectuangular glass...

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