P-type semiconductor with acceptor concentration N,=10°cn °cm*and n=10° cm, = т, 1000 cm/V-sec, µ,= 500 cm²/V-sec, 15рд/С, "р = 20pg/C . Assume e e that 3x10cmelectron hole pair have been created at t=0. The electron concentration at t=25ns is....×10²cm³. а) 3.8 b) 5.7 c) 11 d)23 e) 31

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P-type semiconductor with acceptor concentration N,=10 cm*and n=10° cm³, la=
mp
15pg/С,
1000 cm?/V-sec, µ= 500 cm³/V-sec,
that 3x10 cm³ electron hole pair have been created at t=0. The electron
concentration at t=25ns is....×10²cm³.
20pg/C . Assume
e
а) 3.8
b) 5.7
c) 11
d)23
e) 31
Transcribed Image Text:P-type semiconductor with acceptor concentration N,=10 cm*and n=10° cm³, la= mp 15pg/С, 1000 cm?/V-sec, µ= 500 cm³/V-sec, that 3x10 cm³ electron hole pair have been created at t=0. The electron concentration at t=25ns is....×10²cm³. 20pg/C . Assume e а) 3.8 b) 5.7 c) 11 d)23 e) 31
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