EBK A GUIDE TO SQL
9th Edition
ISBN: 8220103671682
Author: Last
Publisher: CENGAGE L
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Chapter 5, Problem 3CATC
To determine
All the functional dependencies for the given unnormalized table are to be provided and the table is to be converted to 3NF.
Also, Whether the obtained set of tables are in fourth normal form is to be determined along with the reasons for the same.
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8.7
An ideal germanium pn junction diode has the following parameters: Na = 4 × 10¹5 cm³,
Na = 2 × 10¹7 cm³, D₂ = 48 cm²/s, D₁ = 90 cm²/s, Tpo = T = 2 × 10-6 s, and
A = 104 cm². Determine the diode current for (a) a forward-bias voltage of 0.25 V
and (b) a reverse-biased voltage of 0.25 V.
7.20 (a) The peak electric field in a reverse-biased silicon pn junction is |E|= 3 × 105 V/cm.
The doping concentrations are N = 4 × 10¹5 cm³ and N. = 4 × 107 cm³. Find the
magnitude of the reverse-biased voltage. (b) Repeat part (a) for N₁ = 4 × 10 16 cm³ and
N₁ = 4 × 10¹7 cm³. (c) Repeat part (a) for Nd = N₁ = 4 × 10¹7 cm³.
7.16 An abrupt silicon pn junction at 7-300 K has impurity doping concentrations of
N₁ = 5 x 10 cm³ and N = 10 cm³. Calculate (a) Vbi, (b) W at (i) VR = 0 and
(ii) VR = 5 V, and (c) [Emax | at (i) VR = 0 and (ii) VR = 5.
Chapter 5 Solutions
EBK A GUIDE TO SQL
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - Prob. 1BCECh. 5 - Prob. 2BCECh. 5 - Prob. 3BCECh. 5 - Prob. 4BCECh. 5 - Prob. 5BCECh. 5 - Prob. 6BCECh. 5 - Prob. 1CATCCh. 5 - Prob. 2CATCCh. 5 - Prob. 3CATCCh. 5 - Prob. 4CATCCh. 5 - Prob. 1SPTCCh. 5 - Prob. 2SPTCCh. 5 - Prob. 3SPTCCh. 5 - Prob. 4SPTCCh. 5 - Prob. 5SPTC
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