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A 1000-W iron is left on the ironing board with its base exposed to the air at 20°C. The convection heat transfer coefficient between the base surface and the surrounding air is 35 W/m2 ?c °C. If the base has an emissivity of 0.6 and a surface area of 0.02 m2, determine the temperature of the base of the iron.
A portion of the wave will reflect from the load and propagate back down the line to arrive at the input once again. Find the power that returns to the input and express this as a loss in decibels when compared to the original 10W input.
A 25KVA transformer supplies a load with the following schedule: 8hrs-full load with 0.8 lagging power factor. 4hrs-75% full load at unity power factor. 12hrs-No load. The transformer is energised 24hrs per day and has iron losses of350w.
Determine the value of the constant c such that the following functions are valid probability functions: A. p(x) = cx/20, x = 1,2,3,4,5,6 and zero elswhere. B. p(x) = c(X^2 + 1), x = 1,2,3,4,5, and zero elsewhere.
The 16giga-byte (GB=2^30 bytes) flash memory chip for an MP3player is 11mm by 15mm by 1mm. This memory chip holds 20,000photos. a) How many photos fit into a cube whose sides are 1mm
Derive a state table for the FSM that produces z=1 when it detects that either the sequence w:0010 or w:1110 has been applied; otherwise, z=0. After the fourth clock pulse, the machine has to be again in the reset state, ready for the next sequenc..
Consider a causal continuous-time LTI system whose input x(t) and output y(t) are related by the following differential equation: dy(t)/dt + 4y(t) = x(t). Find the Fourier series representation of the output y(t) for each of the following inputs
An optimizing compiler has been developing for the bad store machine with a measurement shown below. The compiler discard 50% ofthe ALU instruction although it cannot reduce, store branches,close, load, compute for the unoptimized CPI.
For the second object, at a location corresponding to the point of measurement on the first object, determine the vapor concentration and partial pressure. If the average heat flux q" is 2000 W/m2 for the first object determine the average mass fl..
the frequency response h(e^jw) of a length-4 finite impulse response filter with a real impulse response h[n] that the following specific value: h(e^j0)=13, H(e^j3pi/2)=-3-j4, and h(e^jpi)=-3. determine the 4th discrete fourier transform (DFT) of ..
R1=1k ohms, R2=1.5k ohms and R3=3k ohms. Assume an ideal opAmp. Indicate the PEAK current in each of the resistors.
(a) GivenX=(00111)2 and Y=(00110)2 , compute the carrybits using the equations for a CLA. How many time units would youneed to compute all the carry bits and why (b). Compute all the sum bits usingthe aforementioned carry bits.
Calculate: Critical frequency for the input low pass network, and the output low pass network, estimate the values for Cbe, Cjc, Cbc, and Cje. Concider the resistance of the signal sourceRs to be equal to the 1 ohm resister in series with the source.
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