Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
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Textbook Question
Chapter 4, Problem 24P
If a resistor is to carry 2 A of current and handle 100 W of power, how many ohms must it be? Assume that the voltage can be adjusted to any required value.
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a) A silicon wafer is uniformly doped p-type with NA=10¹³/cm³. At T=0K, what are the equilibrium
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Determine the equilibrium electron and hole concentrations inside a uniformly doped sample of Si
under the following conditions. (n; =1010/cm³ at 300K)
a) T 300 K, NA << ND, ND = 1015/cm³
b) T 300 K, NA = 9X1015/cm³, ND = 1016/cm³
c) T = 450 K, NA = 0, ND = 1014/cm³
d) T = 650 K, NA = 0, ND = 1014/cm³
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b) A semiconductor is doped with an impurity concentration N such that N >> n; and all the
impurities are ionized. Also, n = N and p = n2/N. Is the impurity a donor or an acceptor? Explain.
Chapter 4 Solutions
Principles Of Electric Circuits
Ch. 4 - If 100 W of power occurs for 30 s, how much...Ch. 4 - Express the following amounts of power in watts...Ch. 4 - Prob. 3RPCh. 4 - How many kilowatt-hours are used by a 1/2 hp motor...Ch. 4 - Determine P in each circuit of Figure 4-2 for the...Ch. 4 - A 100 W light bulb operates on 120 V. How much...Ch. 4 - Prob. 7RPCh. 4 - A 0.25 W, 1.0 k resistor is connected across a 12...Ch. 4 - How will the total power delivered change if the...Ch. 4 - A power supply has an efficiency of 92%. If PIN is...
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