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MCQ Practice Question

Electronic Devices & Circuits Semiconductor Fundamentals

If electron mobility is 1200 cm^2/(V s) and the electric field is 10 V/cm, the low-field electron drift velocity is approximately?

A120 cm/s
B1200 cm/s
C12000 cm/s
D120000 cm/s

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Correct Answer: C. 12000 cm/s

Explanation: v_d=mu E=1200×10=12000 cm/s.

Reference: Standard semiconductor electronics: drift velocity calculation

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