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The thermal activation and photo-excitation energies of one and two electrons trapped to the double or 2-electron sulfur donor were measured by Sah and his graduate students in 1971 by observing the photo and dark capacitance transients in a sulfur doped silicon p/n junction diode.
They found that the activation energies are 613.26 meV and 302.0 meV. Draw the energy band and transition energy diagrams for one and two electrons trapped to a double sulfur donor center.
A test tone used on a radio has a frequency of 951 Hz. What is the wavelength of this sound in air at normal room temperature
lc circuit consists of a 20.0 mh inductor and a 0.350 microf capacitor. if the maximum instantaneous current is 0.150 a
You're assisting a cardiologist in planning a stress test for a 65 kg patient. The test involves rapid walking on an inclined treadmill, and the patient is to reach a peak power output of 350 W. If the patient's maximum walking speed is 7.7 km/h ..
A certain resistor has a resistance of 1.484 ohms at 20.0 degrees celsius and a resistance of 1.512 ohms at 34.0 degrees celsius. What is its temperature of resistivity?
Our solar system is about 1.34 parsecs away from planet A. An astronaut is moving away from earth toward planet A at 0.80c as measured in the earth's reference frame. What frequency of light is observed by the earthlings
A child tries to swing an adult size baseball bat without choking up on it. She can manage only 180 °/s of angular velocity with a radius of 75 cm. Compute the linear velocity of the endpoint of the bat in each case
The youngest of these bones has a 14C activity per gram of carbon that is about 22.1 % of what was present in the live animal. How long ago (in years) did this animal disappear from North America?
Four point charges, q, are fixed to the four corners of a square that is 11.2 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 11 nm abo..
a coin and a ring each with the same mass roll down an incline starting at the same time. which one will reach the
Three forces acting on an object are given by Force 1 = (?1.5i + 5.50j) N, Force 2 = (4.85i ? 1.9j) N, and Force 3 = (?41.5i) N. What are the velocity components of the object after 17.0 s
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. With what speed and angle of impact does the stone land
A rock of mass m = 2 kg is tied to a string of length L = 1.9 m and is twirled in a vertical circle. The speed v of the rock is constant; that is, it is the same at the top and the bottom of circle.
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