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A horizontal semitransparent plate is uniformly irradiated from above and below, while air at T8 = 300 K flows over the top and bottom surfaces, providing a uniform convection heat transfer coefficient of h = 40 W/m2 · K. The total, hemispherical absorptivity of the plate to the irradiation is 0.40. Under steady-state conditions measurements made with a radiation detector above the top surface indicate a radiosity (which includes transmission, as well as reflection and emission) of J = 5000 W/m2, while the plate is at a uniform temperature of T = 350 K. Determine the irradiation G and the total hemispherical emissivity of the plate. Is the plate gray for the prescribed conditions?
Determine power series values for common scientific and engineering functions and Obtain the Maclaurin series for the following functions. State the values of the x which the series converge.
Referring to the information above, if one were to sum all of the different average power values associated with the carrier and all sidebands, determine the total value of average power (in watts).
A Si IMPATT diode is operated at 140 GHz with a dc bias of 15 V and an average biasing current 150 mA. (a) If the power conversion efficiency is 25% and the thermal resistance of the diode is 4OoCnV.
What is the resolution of an ADC with a word length of 12-bits and an analogue signal input range of 100 V A sensor produces a maximum analogue output of 5V. What word length is required for an ADC if there is to be a resolution of 10mV
Create a program using AsmIDE, which utilizes the Fox 11 68HC11 microcontroller board: Speech timer where max time is 5 minutes Use the switches for:
A)what is the maximum Doppler for a vehicle speed of 160 km/hr at 900MHz. B)what is the minimum doppler(most negative for this case) C)for this range of Doppler what is the corresponding speed at 1800MHZ
Resistors R1 -8 Ω, R2 -4 Ω and R3 -6 Ω, are connected in series to a voltage source. Which resistor will dissipate the most power
The distance between two stations in a 10 Mbps LAN using CSM/CD multiple access method is 2,000 meters. Station A sends a long frame first and three micro seconds later, C starts sending a long frame.
Let O be a measurement operator for the of dots facing upwards on a 6-sided 'quantum' die-- a die that can be put into superpositions of states and then measured. The set of possible outcomes is {1,2,...6}.
determine the maximum and minimum spectral frequencies received from a stationary gsm transmitter that has a center
desgin a BJT amplifier that is balanced in while having a single ended output. The differential gain is 20dB= 10 V/V, and CMRR is 40dB = 100 V/V. Beta is 100 and ro = 50kohm. use dual power supplies +Vcc and -Vee.
An amplifier has a power gain of 3dB and an input signal power P(In) = 100mW. What is the output power level A tank circuit coil is operating at a resonance frequency f(res) = 20 MHZ; The circuit must operate with a bandwith of 200 KHZ.
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