[Solved] GaAs is used in fabricating Gunn diode. Gunn diode is:

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Q.	GaAs is used in fabricating Gunn diode. Gunn diode is:
A.	bulk device
B.	sliced device
C.	made of different type of semiconductor layers
D.	none of the mentioned
Answer» A. bulk device
Explanation: a gunn diode is a bulk device, that is, it does not contain any junction but it is a slice of n-type gaas. p- type gaas does not exhibit gunn effect. hence it is a reversible and can be operated in both directions.

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