Giancoli's Physics: Principles with Applications, 7th Edition
29
Molecules and Solids
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29-1 to 29-3: Molecular Bonds
29-4: Molecular Spectra
29-5: Bonding in Solids
29-7: Band Theory of Solids
29-8: Semiconductors and Doping
29-9: Diodes
29-10: Transistors

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 35
Q

# Suppose that the current gain of the transistor in Fig. 29–41 is $\beta = i_\textrm{C}/i_\textrm{B} = 85$. If $R_\textrm{C} = 3.8 \textrm{ k} \Omega$, calculate the ac output voltage for an ac input current of $2.0 \; \mu \textrm{A}$.

Figure 29-41 An npn transistor used as an amplifier. $I_B$ is the current produced by $\xi_B$ (in the absence of a signal), $i_B$ is the ac signal current (= change in $I_B$).
A
$0.65 \textrm{ V}$

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