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How did they get E= 10,000 V/cm? Why is it not E = 1,000,000 V/cm? Also, why is it not 7.4 * 10-14 ps to cross the 1um length

How did they get E= 10,000 V/cm? Why is it not E = 1,000,000 V/cm? Also, why is it not 7.4 * 10-14 ps to cross the 1um length

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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How did they get E= 10,000 V/cm? Why is it not E = 1,000,000 V/cm?

Also, why is it not 7.4 * 10-14 ps to cross the 1um length?

Example A uniform piece of n-type of silicon that is 1 µm long senses a voltage of 1 V. Determine the velocity of the electrons. 2.5 Since the material is uniform, we have E = V/L, where L is the length. Thus, E = 10,000 V/cm and hence v = (1 µm)/(1.35 x 107 cm/s) = 7.4 ps to cross the 1-µm length. Solution M„E = 1.35 × 10' cm/s. In other words, electrons take
Transcribed Image Text:Example A uniform piece of n-type of silicon that is 1 µm long senses a voltage of 1 V. Determine the velocity of the electrons. 2.5 Since the material is uniform, we have E = V/L, where L is the length. Thus, E = 10,000 V/cm and hence v = (1 µm)/(1.35 x 107 cm/s) = 7.4 ps to cross the 1-µm length. Solution M„E = 1.35 × 10' cm/s. In other words, electrons take
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