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The circuit shown in Figure P3.4.19 is the equivalent circuit of a field-effect transistor (FET) amplifier stage.
(a) Determine the y-parameters.
(b) For values of µ = gm/gd >> 1, obtain a y-parameter equivalent circuit.
Compute the power factor for zero voltage regulation on full load.
Lay out the flow sheet of the process and justify your choice based on the characteristics of the source water (note: if data not available, you can make your estimations based on other similar sites or commensense); (20%)
Estimate the number-average molecular weight that is required to give a tensile strength of195MPa.
find the current from the supply source. Sketch the phasor diagram showing all quantities involved.
Which of the following is insensitive to changes in pressure ?
A condenser is required to condense n-propanol vapour leaving the top of adistillation column. The n-propanol is essentially pure, and is a saturated vapourat a pressure of 2.1 bara.
A3m3 tank is divided into two parts via a thermally insulated wall. One part has a volume of 2 m3 and contains a vapor-liquid mixture of steam, 7% liquid, at 5 bar. The other part contains steam at 10 bar, 500 °C. A valve is opened and allows th..
Calculate the atomic weight (in amu) of an element (X), given the following data: 24X : 24.000 amu at 0.7879 fractional abundance 26X : 26.000 amu at 0.1017 fractional abundance 25X : 25.000 amu at 0.1113 fractional abundance
There are four stable isotopes of iron with mass numbers 54, 56, 57, and 58. There are also two radioactive isotopes: iron-53 and iron- 59. Predict modes of decay for these two isotopes. (See Table 18.2.).
Radioactive copper-64 decays with a half-life of 12.8 days. a. What is the value of k in s^-1? b. A sample contains 28.0 mg 64Cu. How many decay events will be produced in the first second?
Outline the provisions of Occupational Safety and Health Act 2005 with regard to Substances hazardous to health Describe four types of hazard which arise from the use of chemicals
If the container holds 1.3 kg of dry air, what are the final specific and relative humidities of the air in the container? what is the dew point?
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