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Show that the scattering parameters for an FET can be expressed in terms of the parameters of the equivalent circuit of Figure 11.21 as given below. Assume the device is unilateral
Calculate the standard enthalpy change for the reaction of an aqueous solution of barium hydroxide, Ba(OH)2, with an aqueous solution of ammonium nitrate, NH4NO3, at 25°C. The complete ionic equation is
The problem is a series circuit with the AC voltage of 50V at a phase angle of 0 degrees. Also the resistor has a resistance of 3 ohms. Xc = 5 ohms, X(L) = 9 ohms. All three components are in series. The frequency is 60 Hz.
What is the new angular speed when the man walks to a point 1.7 m from the center?
What do they mean by these two statements. For example, are they asking us to keep Voltage or Current constant in either statement and vary the Resistance finding the unknown Voltage or Current or what
four determinations of the pH of a certain solution are 7.90, 7.94, 7.91, and 7.93. Assuming normallity of determinations with mean mhu, standard deviation sigma, find: A. 99% confidence interval for mhu "u"
A load consisting of a 480 ohms resistor in parallel with a (5/9) uF capacitor is connected across across the terminals of a sinusoidal voltage source Vg, where Vg=240cos5000t V. a) What is the peak value of the instantaneous power delivered by the..
Explain the differences among a truth table, a state table, a characteristic table, and an excitation table. Also explain the difference among a boolean equation, a state equation, a characteristic equation and a flip-flop input equation.
Calculate the unit step response of the DT systems with the following impulse responses: a-) h[k]= u[k+6]- u[k-10] b-) h[k]= 3^k- u[-k]
A certain 15 V dry-cell battery, completely discharged, requires a current of 100 mA for 3 hr to completely recharge. What is the energy storage capacity of the battery, assuming the voltage does not depend on its charge status
The equation y[n] - p y[n-1] = x[n] can be used to describe the value y[n] of a new investment by setting p = 1 + r/100 where r is the interest rate per period, expressed in percent.
Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
Consider a thermal sensor that a time constant τ = 20 msec such that a step change in temp. requires approx. 3*τ to reach 95 % of the final value. a- write an expression for the frequency response of the sensor
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