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False positive and false negative rates can be adjusted, and they are often complementary: Lowering one raises the other. List two situations in which false negatives are significantly more serious
Compute i2(t) through resist R, Find value of w0 for which the amplitude of the current |I2| is maximum, compute I2 for w=w0. Does I2 depend on R is there a contradiction with ohm's law
A second-order control system has the closed-loop transfer function T(s)=Y(s)/R(s). The system specifications for a step input follow. Show the permissible area for the poles of T(s) in order to achi
A combinational logic circuit has 3 outputs as described below: F1=Minterm(0,3,4) F2= minterm(1,2,7) F3= Maxterm=(0,1,2,4) Implement the circuit using a single decorder with active high outputs and ex
The return current is through the outer conductor, which consists of an infinitely thin cylindrical shell of radius b. Use Ampere's law to calculate the magnetic field intensity everwhere.
(1) If you have a transformer that is not in a circuit, how can you tell/determine what the ratio is (2) How do you tell if a diode is forward or bias. How much voltage is assumed dropped across a for
A wattmeter connected into the line gives a reading of 2765W. If a capacitor have a reactance of 30ohms is connected in parallel with the motor. Calculate the total reactive power absorbed by the ca
1-phase 2-winding transformer is rated 30 kVA, 360/90 V, 60 Hz. A source connected to the 360-V winding supplies an impedance load connected to the 120-V winding. The load absorbs 15 kVA at 0.8 p.f.
A parking garage charges a $ 5.00 minimum fee to park for up to three hours and an additional $ 1.00 per hour for each hour over the hours. the maximum charge for any given 24 hours period is $ 2.00
A 50-KVA, 13,800/208 V -Y distribution transformer has an equivalent phase impedance 114.2+j800 ohm referred to the high voltage side. Take the rated voltage as the base voltage and the rated VA as
The neutralization occurs on-line in the discharge piping by addition of acid or base as required based on upstream pH measurement. draw an appropriate control scheme using the simplified ISA symbol
Find the dimension of the window, as measured at the top of the oxide, after ideal isotropic etching (i.e. no overetch). Draw a cross section of the window opening with the resist still on.
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 ze
A p-type wafer has a diffused Phosphorous n-type junction with a junction depth of 0.15µm. a) If the wafer (no pre-existing oxide) is to be oxidized at 1000 C for two hours to form a ‘dens
The lithographic system A uses KrF excimer laser source (248 nm) while the lithographic system B uses the I-line of a Hg lamp (365 nm) as the photon source. Give two main shortcomings of the e-beam
For w=w0, compute the ratio of the amplitude of the voltage source over the amplitude of the voltage across the resistor,Q=|U|/V0, when V0=sqrt(2), C=8.2microF, L=7mH, and R=1.5kOhms. Is this ratio la
A transistor current source (also known as current ''sink'') was built with a 2N3904. The Ic was measured for different values of a load resistance. It was noticed that Ic was pretty much constant f
1. Calculate the Fourier transform of f(t)=5 sinc ([t-0.2]/2), and graph the magnitude and phase as function of f. 2. A military satellite uses 10 GHz for the downlink frequency. The distance to the s
The space between the plates of a parallel-plate capacitor is filled with a dielectric whose permittivity varies linearly from f1 at one plate (located at y=0) to f2 at the other plate (located at y
A potentiometer is wired is wired to represent a rotational range of 0-180 degree. The potentiometer is supplied with a voltage of 15 VDC. What is the output voltage at 75 degree
If a logic circuit with I_OH = 4.5 V is driving and LED with a 330 ohm limiting resistor, what is the current rating for the LED if the forward voltage drop is 1.8 V
state the probability distribution of the binomial random variable X. What is the probability that the random variable X falls in the interval [u - 3 sigma, u + 3 sigma]. The mean and the variance o
A charged 100- picoFarad capacitor has initial voltage across it of 10 V. A 100 kohm resistor is suddenly connected across the capacitor (at t=0) to discharge it. What is the magnitude of the inst
(a) find the value of a and K so that the relative damping ratio of the system is 0.5 and the rise time step response is approximately 1 s. (b) with the values of a and k found in previous question
Consider a Si p-n junction at room temperature. If the doping concentrations are NA=1016 cm-3 and ND=1015 cm-3, what is the depletion width also known as space charge width Also find the maximum ele