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1) When discussing the ganeration of electron/holes pairs by light in semiconductors is it best to use the wave or particle rendition of light energy?
a. Wave
b.Particles
2)In what type of electron transition from valence to conduction band is momentum conserved?
a. direct
b. indirect
3) Can a 10% efficiency one square meter in area solar panel placed in direct sunlight power a 100 watt light bulb?
Yes or No
4) If electrons move toward or away from regions of high electron concentration?
a. Move toward
b. Move away
5) If electrons are moving in the presence of an electric field and the field in turned off, do they continue to move or come to rest with zero velocity?
a. Continue to move
b. come to rest
Calculate the maximum power that can be sent through an a=2cm , b=1cm air-filled waveguide at 12 GHz such that dielectric breakdown does not occur. Assume that the dielectric strength of air at atmospheric pressure is 3x10^6 [V/m]
Two slits produce fringes on a screen that is at a distance of 2.05 m from the slits. When the wavelength is 608 nm, the fringTwo slits produce fringes on a screen that is at a distance of 2.05 m from the slits. When the wavelength is 608 nm, the f..
Design (simulaton, analysis), build and test an op-amp based instrumentation amplifier with the following specifications: (a) Have very high input resistance (minimum is 1 Mega Ohm). (b) Have very high voltage gain (minimum 1000V)
Discuss the procedure for design using anthropometric data. Include Confidence Intervals (CIs). Select any one anthropometric measurement for males or females in Table 5.3 and find 90% CI for the mean measurement of the population.
Suppose a linear circuit contains a voltage source and a current source. When the voltage source is set to 10V and the current source is set to 10 mA, the output voltage is 1V. When the voltage source is set to 10V and the current source is set to..
If the output of the function generator for a sinusoidal waveform is 6 voltage divisions peak to peak and the voltmeter reads 2.12V, find the volts/div scale that is being used. If the frequency is 1 KHz and the peaks are 5 horizontal divisions ap..
If a third attempt is made within 20 seconds, a waiting period of 20 seconds is required before additional attempts can be made to start the motor. While waiitng to make additional attempts to start the motor.
Find the magnitude of the electric field at all points in space both inside and outside the slab, in terms of x, the distance measured from the central plane of the slab. What is the field for x = 1.00 cm What is the field for x = 8.00 cm
How many decimal characters (including a possible minus sign) will be required to represent in decimal, sign-magnitude form numbers which are represented using twos complement 24-bit numbers in binary
Determine if the following CT signal is periodic. calculate the fundamental period T0 for the CT signal: x(t) = 2cos(4*pi*t/5)*sin^2(16t/3)
A GAL is different from a PAL because A GAL has more inputs and outputs; A GAL is implemented with a different technology; A GAL can replace several different PAL's; A GAL can be reprogrammed and a PAL cannot
Linearity, order, casuality, and time variance for systems, What are the linearity, order, casuality, and time variance of each input-output relationship for systems?
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