If the length of the intrinsic region in IMPATT diode is 2 µm and the carrier drift velocity are 107 cm/s, then the drift time of the carrier is:

M

Mr. Dubey • 52.30K Points
Coach

Q. If the length of the intrinsic region in IMPATT diode is 2 µm and the carrier drift velocity are 107 cm/s, then the drift time of the carrier is:

(A) 10-11 seconds

(B) 2×10-11 seconds

(C) 2.5×10-11 seconds

(D) none of the mentioned

Correct : Option (B)

Explanation:

 the drift time of the carrier is defined as the ratio of length of the intrinsic region to the carrier drift velocity.

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