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In a silicon bar uniformly dopes with 10^16 phosphorus atoms per cubic cm and 5*10^14 boron atoms per cubic cm. Calculate the mobile electron and hole concentrations for this bar.
Calculate the output resistance of the device, dIC/dVC, for 0
one question: During each cycle, the velocity v (in mm/s) of a piston is v = 6t - 6t^2, where t is the time (in sec). Find the displacement s of the piston after 0.75 sec if the initial displacement is zero.
The respective resistance measurements (from the first bar) are 11.1 kW, 12.1 kW, and 14.5 kW.Find the a) material resistivity and b) contact resistivity, then c) restate the material resistivity as a sheet resistivity.
A chemical engineer has developed a new chemical formularfor a fuel additive. He has written a textbook containing the formula. He has also started a new company to market his fuel additive, and has decided to use his initials as the company logo.
What voltage levels typically define a logic 0 and a logic 1 in the newer logics today. What are the major semiconductor technologies used in making integrated circuits today. What is the difference between sinking current and sourcing current.
Energy of a moving charge, A region in space has an Electric field given by E = x(x^) - y(y^) + xy(z^) where (x^), (y^), (z^) indicate corresponding letter with caret on top of it.
Consider DSB used to transmit an audio signal of 6kHz on a GSM phone with a carrier around 879MHz. By what factor is the Nyquist rate greater if you sample the DSB signal directly rather than the baseband message signal
Compute the inverse Fourier transform for X(ω) = cos 4ω. 5. A signal with the highest frequency component at 10 kHz is to be sampled. To reconstruct the signal, the sampling must be done at a minimum frequency of?
Since smart grid application is expected to have a substantial societal benefit in addition to the direct benefit to electric power customers and utility companies, how should the expected huge cost of smart grid infrastructure installation paid
A 13,800/480 V three-phase Wye-Delta-connected transformer bank consists of three identical 100-kVA 7967/480-V transformers. It is supplied with power directly from a large constant-voltage bus.
In a motor control system, one master stop pushbutton (Stop) is available for stopping the operation at any time. If the temperature switch (TSW) is closed, pressing the red pushbutton (RedPB) will turn on both motors M1 and M2.
A magnetic pickup coil is being used to make measurements which areproportional to the time derivative of the magnetic flux density, dB/dt. You wishto integrate this signal to get the magnetic flux density, B.
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