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The device used for detecting optical si...

The device used for detecting optical signal is

A

zener diode

B

photodiode

C

junction diode

D

optical diode

Text Solution

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The correct Answer is:
B
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NEW JOYTHI PUBLICATION-SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS -COMPETITIVE EXAM CORNER
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  2. The heavily and lightly doped regions of a bipolar junction transistor...

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  3. The device used for detecting optical signal is

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  4. The logical operation carried out by the above circuit is

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  5. In CE transistor amplifier , if the base current is increased by 20 mu...

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  6. If an ideal junction diode is connected as shown , then the value of t...

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  7. Identify the mismatched pair from the following

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  8. In a common emitter configuration a transistor has beta = 50 and input...

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  9. The wave forms A and B given below are given as input to a NAND gate ....

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  10. The output of an AND gate is connected to both the inputs of a NOR gat...

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  11. In p-type semiconductor , the acceptor level lies

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  12. If the feedback voltage is increased in a negative feedback amplifier ...

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  13. The inputs A , B and C to be given in order to get an output Y = 1 fro...

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  14. The collector resistance and the input resistance of a CE amplifier ar...

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  15. The light emitting diode (LED) is

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  16. Identify the wrong statement

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  17. Identify the wrong statement with reference to a solar cell

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  18. The minimum number of NAND gates used to construct an OR gate is

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  19. For which one of the following input combinations , the given logic ci...

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  20. In a semiconductor (2)/(3) rd of the total current is carried by elect...

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