Physics for Science and Engineering With Modern Physics, VI - Student Study Guide
4th Edition
ISBN: 9780132273244
Author: Doug Giancoli
Publisher: PEARSON
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Chapter 40, Problem 61P
To determine
Find the expression for the relationship between base current, collector current and emitter current.
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(a) Show that the resistivity of intrinsic germanium at 300 °K is 0.45 2.m if
n₁ = 2.5×10¹⁹ m²³, n = 0.38 m²/V.s, p = 0.18 m²/v.s.
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(b) If a donor-type impurity added to the extent of 1 atom per 108 germanium atoms, prove
that the resistivity drops to 0.037 2.m. Density = 5.32x10³ Kg/m³, atomic weight
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Find a GaAs Hall element from web (specify Ic and VH).
(a) A forward-bias voltage of 15.0 mV produces a positive current of 9.25 mA through a p-n junction at 300 K. What does the positive current become if the forward-bias voltage is reduced to 10.0 mV? (b) For reverse-bias voltages of -15.0 mV and -10.0 mV, what is the reverse-bias negative current?
Chapter 40 Solutions
Physics for Science and Engineering With Modern Physics, VI - Student Study Guide
Ch. 40.4 - Determine the three lowest rotational energy...Ch. 40.6 - Prob. 1BECh. 40.6 - Prob. 1CECh. 40.8 - Prob. 1DECh. 40 - What type of bond would you expect for (a) the N2...Ch. 40 - Describe how the molecule CaCl2 could be formed.Ch. 40 - Does the H2 molecule have a permanent dipole...Ch. 40 - Although the molecule H3 is not stable, the ion...Ch. 40 - The energy of a molecule can be divided into four...Ch. 40 - Would you expect the molecule H2+ to be stable? If...
Ch. 40 - Explain why the carbon atom (Z = 6) usually forms...Ch. 40 - Prob. 8QCh. 40 - Prob. 9QCh. 40 - Prob. 10QCh. 40 - Prob. 11QCh. 40 - Prob. 12QCh. 40 - Prob. 13QCh. 40 - Prob. 14QCh. 40 - Prob. 15QCh. 40 - Prob. 16QCh. 40 - Prob. 17QCh. 40 - Prob. 18QCh. 40 - Prob. 19QCh. 40 - Prob. 20QCh. 40 - Prob. 21QCh. 40 - Prob. 22QCh. 40 - Prob. 23QCh. 40 - Prob. 1PCh. 40 - (II) The measured binding energy of KCl is 4.43eV....Ch. 40 - (II) Estimate the binding energy of the H2...Ch. 40 - (II) The equilibrium distance r0 between two atoms...Ch. 40 - Prob. 5PCh. 40 - Prob. 6PCh. 40 - (III) (a) Apply reasoning similar to that in the...Ch. 40 - (I) Show that the quantity 2/I has units of...Ch. 40 - Prob. 9PCh. 40 - Prob. 10PCh. 40 - Prob. 11PCh. 40 - Prob. 12PCh. 40 - Prob. 13PCh. 40 - Prob. 14PCh. 40 - Prob. 15PCh. 40 - Prob. 16PCh. 40 - (II) Calculate the bond length for the NaCl...Ch. 40 - Prob. 18PCh. 40 - Prob. 19PCh. 40 - Prob. 20PCh. 40 - Prob. 21PCh. 40 - Prob. 22PCh. 40 - Prob. 23PCh. 40 - Prob. 24PCh. 40 - Prob. 25PCh. 40 - Prob. 26PCh. 40 - Prob. 27PCh. 40 - Prob. 28PCh. 40 - Prob. 29PCh. 40 - Prob. 30PCh. 40 - Prob. 31PCh. 40 - Prob. 32PCh. 40 - Prob. 33PCh. 40 - Prob. 34PCh. 40 - Prob. 35PCh. 40 - Prob. 36PCh. 40 - Prob. 37PCh. 40 - Prob. 38PCh. 40 - Prob. 39PCh. 40 - Prob. 40PCh. 40 - Prob. 41PCh. 40 - Prob. 42PCh. 40 - Prob. 43PCh. 40 - Prob. 44PCh. 40 - Prob. 45PCh. 40 - Prob. 46PCh. 40 - Prob. 47PCh. 40 - Prob. 48PCh. 40 - Prob. 49PCh. 40 - Prob. 50PCh. 40 - Prob. 51PCh. 40 - Prob. 52PCh. 40 - Prob. 53PCh. 40 - Prob. 54PCh. 40 - Prob. 55PCh. 40 - Prob. 56PCh. 40 - Prob. 57PCh. 40 - Prob. 58PCh. 40 - Prob. 59PCh. 40 - Prob. 60PCh. 40 - Prob. 61PCh. 40 - Prob. 62GPCh. 40 - Prob. 63GPCh. 40 - Prob. 64GPCh. 40 - Prob. 65GPCh. 40 - Prob. 66GPCh. 40 - Prob. 67GPCh. 40 - Prob. 68GPCh. 40 - Prob. 69GPCh. 40 - Prob. 70GPCh. 40 - Prob. 71GPCh. 40 - Prob. 72GPCh. 40 - Prob. 73GPCh. 40 - Prob. 74GPCh. 40 - Prob. 75GPCh. 40 - Prob. 76GPCh. 40 - Prob. 77GPCh. 40 - Prob. 78GPCh. 40 - Prob. 79GPCh. 40 - Prob. 80GPCh. 40 - Prob. 81GPCh. 40 - Prob. 82GPCh. 40 - Prob. 83GPCh. 40 - Prob. 84GPCh. 40 - Prob. 85GPCh. 40 - Prob. 86GPCh. 40 - Prob. 87GPCh. 40 - Prob. 88GPCh. 40 - Prob. 89GP
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- At room temperature under the forward bias of 0.15 V the current through a p-n junction is 1.66 mA. What will be the current through the junction under a reverse bias of 0.15 V at T=250K? Assume that the zero-bias current I, is independent of temperature in this range. 3.arrow_forward(9) For a PN junction, which of the following parameter(s) will affect the amplitude of the inverse saturation current density J,? (a) The lifetimes of electrons and holes (b) The diffusion coefficients of electrons and holes (c) The diffusion lengths of electrons and holes (d) The applied bias (e) The doping concentrations (f) The temperature (g) The cross-section area of the junction (10) The active region of an optical device is made of a direct-bandgap material with 1.1 eV bandgap. There are photons with the following four different wavelengths. Please choose all possible wavelength(s) of the photon(s) that can excite an electron from valence band to conduction band. (a) 750 nm; (b) 860 nm; (c) 1000 nm; (d) 1200 nm;arrow_forward(1) for A, C & D 3RD SIGNIICANCE BUT FOR B, EXACT NO TOLERANCE. ANSWER ALSO E PLSarrow_forward
- (I) Briefly define semiconductors. (II) Briefly explain the mechanism that semiconductor detectors use for radiation detection.arrow_forward(c) A common emitter BJT circuit and its voltage transfer curve is shown in Fig. 1(c) respectively. Assume the transistor common-emitter current gain, ß = 50, VBE (on) = 0.7 V, Rg = 100 kn and Rc = 1 k2. (i) Determine the input voltage at the point x. (ii) Calculate the base current, Ig and collector current, Ic at the point x. +Vcc Vo(V) Rc 5- Vo RB V, oww -RAR- IB VBE 0.5 V,(V) 15 Fig. 1(c) -END OF QUESTION-arrow_forward(ix) To saturate a BJT, (a) Ia = Icta) (b) Ig> Ic¢pav/Boc (c) Vcc must at least 10 V (d) the emitter must be grounded (x) If the base-emitter junction is open, the collector voltage is (a) Vcc (b) 0 V (c) floating (d) 0.2 Varrow_forward
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