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Radiation is suddenly directed at the surface of a semi-infinite plate of conductivity k and thermal diffusivity D. Due to the thermal absorption characteristics of the material the radiation results in a variable energy generation rate given by
qm(x) = qm0 e-bx,
Where and b are constants and x is distance along the plate. Surface temperature at o qccc x0. T. is T Initially the plate is at uniform temperature Write the heat equation and boundary conditions.
First as the output stage use a Zener shunt regulator and then replace the Zener shunt regulator with an appropriate IC voltage regulator. Do the SPICE simulation of the whole circuit, which has the Zener shunt regulator as the last stage.
assuming a perfect diode, I have a small circut which has three legs joined at the center. One leg has a +12V supply and a 1K ohm resister. Second leg has a -16 Volt supply witha 2K ohm resister, and the third has a perfect diode, with a 4K ohm re..
Pulse width modulation (PWM) is used to control dc voltage to an electric heater. The supply voltage is 12 Vdc, and the heating element is modeled as a 1 resistance. (a) Calculate the average power delivered to the heater when the voltage is switche..
Determine the electric fields in the three regions r = b.
Document your test plan in a table. For each test case, document the expected program behavior and the actual program behavior. If the program does not behave according to your prediction, write a brief explanation of what the program did wrong.
Frame is the smallest entity of an audio CD. Explain its construction.
A particular inverting amplifier with nominal gain of -100 V/V uses an imperfect op amp in conjunction with 100-k ohm and 10-M ohm resistors. The output voltage is found to be +9.31 V when measured with the input open and +9.09 V with the input gro..
where x is a state variable and r is an input variable. Perform a change of variables in r, i.e., r (t) --> u (t),where the new system is linear without any approximations (hint: assume x (t) ismeasurable)
Write an assembly program that converts a string with four characters into an unsigned 16-bit integer. For example, a string "A23F" should be converted into an unsigned integer. Assume that the input string consists of only valid characters (0,... ..
Derive the relation between the liquid and gas concentration at any level in the tower, as at point P.- and prove the equation below;
The periodic current waveform of given figure is composed of segments of a sinusoid. Find the average value of the current.
Are these two relationships linear? Is linearity necessary to have an automatic operation? Switch the system back to auto and hold your hand over the tube so as to cause a restriction. What happens when controlling the ball to a set height?
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