Hole is

A

an anti-partical of electron

B

a vacancy created when an electron leavels a convalent bond

C

absence of free alectrons

D

an artifically created partical

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The correct Answer is:
B
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PRADEEP-ELECTRONIC DEVICES-Exercise
  1. In Fig.assuming the diode to be ideal

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  2. A 220 V AC supply is connected between points A and B . What will be t...

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  3. Hole is

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  4. The output of the given circuit in Fig.

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  5. In the circuit shown(Fig.) if the diode forward voltage drop is 0.3 V,...

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  6. Truth table for the given circuit (Fig.)is

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  7. When an electric field is applied across a semiconductor,

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  8. Consider an n-p-n transistor with its base - emitter junction forward ...

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  9. Fig.shows that transfer characteristics of a base biased CE transistor...

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  10. In an n-p-n transistor circuit , the collector currents is 10mA . If 9...

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  11. In the depletion region of a diode.

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  12. What happens during regualtion action of a Zener diode?

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  13. To reduce the ripples in rectifier circuit with capacitor filter

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  14. The breakdown in a reverse biased p-n junction diode is more likely to...

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  15. The resistance of an intrisic semiconductor when heated

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  16. The electrical conductivity of a semiconductor increases when electrom...

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  17. Which one of the following bonds produces a solid that reflects light ...

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  18. An electric field us applied to a semiconductor.Let the number of char...

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  19. The probbility of electrons to be found in the conduction band of an i...

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  20. If the ratio of the concentration of electron to that of holes in a se...

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