1) A 11.0-V battery is connected to a 4.40-μF capacitor. How much energy is stored in...
1) A 11.0-V battery is connected to a 4.40-μF capacitor. How much energy is stored in the capacitor?
J
2) Calculate the speed (in m/s) of an electron and a proton with a kinetic energy of 1.10 electron volt (eV). (The electron and proton masses are me = 9.11 ✕ 10−31 kg and mp = 1.67 ✕ 10−27 kg. Boltzmann's constant is kB = 1.38 ✕ 10−23 J/K.)
hint: Use the conversion 1 eV = 1.60 ✕ 10−19 J.
(a) an electron?
m/s
(b) a proton?
m/s
(c) Calculate the average translational kinetic energy in eV of a 3.39 ✕ 102 K ideal gas particle. (Recall from Topic 10 that 1/2 mv2 = 3/2 kBT)
ev
Homework Answers
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1) A 11.0-V battery is connected to a 4.40-μF
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**Please Show All The Steps**
As I mentioned in the class assume that we have a GaAs (Gallium
Arsenide) sample which was doped with excessive As to produce a
resistivity of 0.05 Ωm. Owing to the presence of an unknown
acceptor impurity the actual resistivity was 0.06Ωm, the sample
remaining n-type. What were the concentrations of donors and
acceptors present?
(Please take μe=0.85 m2/Vs and assume that all impurity atoms
are ionized)
PHYSICAL CONSTANTS Avagadro's Number NA- 6.02 x 10*23...
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