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A semiconducting device is connected in ...

A semiconducting device is connected in a series circuit with a battery and a resistance.A current is found to pass through the circuit .If the polarity of the battery is reversed, the current drops to almost zero.The device may be

A

a p-n junction semiconductor

B

an intrinsic semiconductor

C

a p-type semicondutor

D

an n-type semiconductor

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The correct Answer is:
A
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-SOLID AND SEMICONDUCTOR DEVICES-Exercise
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  3. A semiconducting device is connected in a series circuit with a batter...

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  4. The cause of the potential barrier in a p-n diode is:

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  5. The following truth table belongs to which of the following four gates...

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  6. The relation between alpha and beta parameters of current gains for a ...

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  7. The diode used in the circuit shown in the figure has a constant volta...

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  8. To obtain a P-type germanium semiconductor, it must be dopped with

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  9. When arsenic is added as an impurity to silicon, the resulting materia...

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  10. The current gain for a transistor working as a common-base amplifier i...

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  11. When N-P-N transistor is used as an amplifier-

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  12. Which of the following , when added as an impurity, into the silicon, ...

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  13. Which of the following gates corresponds to the truth table given belo...

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  14. In the figure, the input is across the terminals A and C and the o...

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  15. An oscillator is nothing but an amplifier with

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  16. When a p-n junction diode is reverse biased the flow of current across...

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  17. The part of a transistor which is most heavily doped to produce large ...

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  18. A piece of copper and the other of germanium are cooled from the room ...

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