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2. A cylindrical rod of silicon (2 cm in diameter and 20 cm long) has a...
A bar of cylindrical Germanium has a diameter of 0.4 cm and a length of 5...
A bar of cylindrical Germanium has a diameter of 0.4 cm and a length of 5 cm. 5V of voltage is applied between the ends of the bar. You have the following information regarding the bar: Mobility of the electrons, le = 0.13 m2/V s Hole mobility, Mn = 0.05 m2/V s Number of free electrons per unit volume, Ne = 1.5 x 1016 electrons/m3 Number of holes per unit volume, Nn = Ne Calculate the following quantities: a) the...
A bar of cylindrical Germanium has a diameter of 0.4 cm and a length of 5...
A bar of cylindrical Germanium has a diameter of 0.4 cm and a length of 5 cm. 5V of voltage is applied between the ends of the bar. You have the following information regarding the bar: Mobility of the electrons, lle = 0.13 m2/Vs Hole mobility, Mn = 0.05 m2/V s Number of free electrons per unit volume, Ne = 1.5 x 1016 electrons/m3 Number of holes per unit volume, Nn = Ne Calculate the following quantities: a) the conductivity...
A Hall sample is made of p-type silicon doped with 1019 borons/cm². Its resistivity is 0.009...
A Hall sample is made of p-type silicon doped with 1019 borons/cm². Its resistivity is 0.009 ohm-cm. The sample has a cross section of 0.2mmx2mm and a length of 50mm. A voltage of 10V is applied in the longitudinal (length) direction. The effective mass of holes is 2 of electron rest mass. Temperature is 300K. Calculate: a. The Hall coefficient, b. Hole mobility, c. Longitudinal electrical field, d. Drift velocity, e. Mean free time, f. The Hall voltage across 2mm...
Test 2, ENS345, Spring 2019 1. A photoresistor is made of in-type silicon with resistivity of 10 ...
Qno 2 only
Test 2, ENS345, Spring 2019 1. A photoresistor is made of in-type silicon with resistivity of 10 Qcm and recombination lifetime of 30 ps. The photoresistor is illuminated with light so that the electron-hole pairs generation throughout its volume is resistivity of the photoresistor under illumination 2. In the photoresistor described above, find position of quasi-Fermi levels before illumination and during illumination. 3. In the resistor described above, estimate mean free time, mean free path and drift...
What current flows through a 2.07 cm diameter rod of pure silicon that is 24.0 cm...
What current flows through a 2.07 cm diameter rod of pure silicon that is 24.0 cm long, when 1000 V is applied to it? (Such a rod may be used to make nuclear particle detectors, for example.) The resistivity of pure silicon is 2.30 103 Ω · m.
#14What current flows through a 2.59 cm diameter rod of pure silicon that is 25.0 cm...
#14What current flows through a 2.59 cm diameter rod of pure silicon that is 25.0 cm long, when 1000 V is applied to it? (Such a rod may be used to make nuclear particle detectors, for example.) The resistivity of pure silicon is 2.30 103 Ω · m.
A 1.70 m cylindrical rod of diameter 0.500 cm is connected to a power supply that...
A 1.70 m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a constant potential difference of 13.0 V across its ends, while an ammeter measures the current through it. You observe that at room temperature (20.0 ∘C) the ammeter reads 18.2 A , while at 92.0 ∘C it reads 17.3 A . You can ignore any thermal expansion of the rod. 1) Find the resistivity and for the material of the rod at 20...
A 1.60 m cylindrical rod of diameter 0.550 cm is connected to a power supply that...
A 1.60 m cylindrical rod of
diameter 0.550 cm is connected to a power supply that maintains a
constant potential difference of 14.0 V across its ends, while an
ammeter measures the current through it. You observe that at room
temperature (20.0 ∘C) the ammeter reads 18.3 A , while at 92.0 ∘C
it reads 17.3 A . You can ignore any thermal expansion of the
rod.
232 Electric Current Exercise 25.11 Constants PartA A 1.60 m cylindrical rod of...
Exercise 25.11 A 1.40 m cylindrical rod of diameter 0.450 cm is connected to a power...
Exercise 25.11 A 1.40 m cylindrical rod of diameter 0.450 cm is connected to a power supply that maintains a constant potential difference of 17.0 V across its ends, while an ammeter measures the current through it. You observe that at room temperature (20.0 ∘C) the ammeter reads 18.2 A, while at 92.0 ∘C it reads 17.1 A. You can ignore any thermal expansion of the rod. Part A Find the resistivity for the material of the rod at 20...
Test 2, ENS345, Spring 2019 is made of ntype silicon with resistivity of 10 am and recombination ...
Qno 5 only
Test 2, ENS345, Spring 2019 is made of ntype silicon with resistivity of 10 am and recombination lifetime of 80 με. The photoresistor is illuminated with light so that the electron-hole pairs generation throughout its volume is resistivity of the photoresistor under illumination. 2. In the photoresistor described above, find position of quasi-Fermi levels before illumination and during illumination described above, estimate mean free time, mean free path and drift velocities of electrons and holes when 3....
A bar of cylindrical Germanium has a diameter of 0.4 cm and a length of 5 cm. 5V of voltage is applied between the ends of the bar. You have the following information regarding the bar: Mobility of the electrons, le = 0.13 m2/V s Hole mobility, Mn = 0.05 m2/V s Number of free electrons per unit volume, Ne = 1.5 x 1016 electrons/m3 Number of holes per unit volume, Nn = Ne Calculate the following quantities: a) the...
A bar of cylindrical Germanium has a diameter of 0.4 cm and a length of 5 cm. 5V of voltage is applied between the ends of the bar. You have the following information regarding the bar: Mobility of the electrons, lle = 0.13 m2/Vs Hole mobility, Mn = 0.05 m2/V s Number of free electrons per unit volume, Ne = 1.5 x 1016 electrons/m3 Number of holes per unit volume, Nn = Ne Calculate the following quantities: a) the conductivity...
A Hall sample is made of p-type silicon doped with 1019 borons/cm². Its resistivity is 0.009 ohm-cm. The sample has a cross section of 0.2mmx2mm and a length of 50mm. A voltage of 10V is applied in the longitudinal (length) direction. The effective mass of holes is 2 of electron rest mass. Temperature is 300K. Calculate: a. The Hall coefficient, b. Hole mobility, c. Longitudinal electrical field, d. Drift velocity, e. Mean free time, f. The Hall voltage across 2mm...
Qno 2 only
Test 2, ENS345, Spring 2019 1. A photoresistor is made of in-type silicon with resistivity of 10 Qcm and recombination lifetime of 30 ps. The photoresistor is illuminated with light so that the electron-hole pairs generation throughout its volume is resistivity of the photoresistor under illumination 2. In the photoresistor described above, find position of quasi-Fermi levels before illumination and during illumination. 3. In the resistor described above, estimate mean free time, mean free path and drift...
A 1.60 m cylindrical rod of
diameter 0.550 cm is connected to a power supply that maintains a
constant potential difference of 14.0 V across its ends, while an
ammeter measures the current through it. You observe that at room
temperature (20.0 ∘C) the ammeter reads 18.3 A , while at 92.0 ∘C
it reads 17.3 A . You can ignore any thermal expansion of the
rod.
232 Electric Current Exercise 25.11 Constants PartA A 1.60 m cylindrical rod of...
Qno 5 only
Test 2, ENS345, Spring 2019 is made of ntype silicon with resistivity of 10 am and recombination lifetime of 80 με. The photoresistor is illuminated with light so that the electron-hole pairs generation throughout its volume is resistivity of the photoresistor under illumination. 2. In the photoresistor described above, find position of quasi-Fermi levels before illumination and during illumination described above, estimate mean free time, mean free path and drift velocities of electrons and holes when 3....
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