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a. If the resistance of a 1000-ft length of copper wire is 10 Ω at room temperature (20°C), what will its resistance be at 50 K (Kelvin units) using Equation?
b. Repeat part (a) for a temperature of 38.65 K. Comment on the results obtained by reviewing the curve of Figure.
c. What is the temperature of absolute zero in Fahrenheit units?
Develop a logic circuit whose output is high when the input has had three consecutive ones to the input. Overlapping threes are allowed. (e.g., x=011110110 then the output z=000110000 assuming starting state was 0).
A current source, Is =16.5cos(2300t) A, a resistor R=134Ω, and an inductor, L=0.12H are all in parallel. Assume steady-state conditions exist. At t=3.9ms, find the power being absorbed by the a.)resistor, b.)inductor, c.) sinsuoidal source
What is the principle behind CRT(CATHODE RAY OSCILLOSCOPE), and How this method is simplified in LCD and LED. Is the same CRT principle used in LCD and LED Televisions. If no what is the principle used in LCD and LED Tvs.
With V=100V, the instantaneous power into a network N has a maximum value 1500 W and a minimum value ?247 W. (1) Find a possible series RL circuit equivalent to N. (2) Find S=P+jQ into N.
A pith ball of 10 gm carries a charge of 10 micro C. what must be a charge on a ball placed 10 cm directly above which will hold the pith ball in equilibrium
A certain silicon sample has NA = 5.01 X 1016cm-3and ND = 5.02 x 1016 cm-3. Given µn= 1200, and µp= 400cm2/V-s, determine a) The conductivity b) Repeat part (a) if NA =1017 and ND = 1.1 x 1017 cm-3. Use the mobilities of part (a).
1) When discussing the generation of electron/ hole pairs by light in semiconductors is it best to use the wave or particle rendition of light energy. 2) In what type of electron transition from valence to conduction band is momentum conserved, dir..
design a bias-stable common emiter amplifier circuit whose output is capacitively coupled to a load resistor RL = 10KΩ using a 20V power supply. The Minimum small signal voltage gain should be -20V/V. Assume the following parameters for the transi..
The output voltage of an AM transmitter is given by 500(1+.4sin3140t)sin6.28x107t. This voltage is fed to a load of 800 ohms. Determine the following. The carrier frequency The modulating frequency The peak carrier amplitude
How much of the inductance is due to internal flux linkages? Assume skin effect is negligible
find the voltage E and the current Ir and IL in phasor form
A balanced set of Y-connected resistors is to be connected to the slip rings in order to limit the rated-voltage starting current to 200 percent of its rated value. What resistance must be chosen for each leg of the Y connection? What will be the ..
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