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A 1(lambda) wavelength long line has parameter R=0.2 Ohm/m, G=0.002 mho/m, L=15 muH/m and C=2.31pF/m. The line is operated at a frequency f=2.5 GHz. It is terminated with a load impedance of 100 Ohm
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,
A flyback converter is to be designed to provide 10V at 18A from a smooth 200V source. Isolation between the input and output is required. The switching frequency is 200kHz and the duty cycle is 0.4
The heater element of an electric kettle has a constant resistance of 100 Ω ohm and the applied voltage is 250 V. Calculate the time taken to raise the temperature of one litre of water from 1
Determine which of these properties hold or don't hold for the following discrete time systems. Justify your answers. IN each example, y(t) denotes the system output and x(t) denotes the system inpu
given a "black box" with two terminals. You play around with the box for awhileand make the following observations: (i) The output voltage from the box is sinusoidal. (ii) The peak magnitude of the op
The DC machine rotates at 1500 RPM and it delivers rated current at rated terminal voltage. The field winding is connected to a 120 V supply. Find the value of the field current and the value of R (
The battery voltage is 20V Resistor3 a resistance of 20ohms. Resistor1 has a resistance of 30. Current flow is 250mA through the circuit. What is the resistance of resistor 3
Considering an ideal transformer with impedance on the secondary, neglecting the winding resistances, leakage inductances and the core loss. N1/N2=3 For a voltage of 120V (rms) at a frequency of 60
a DC series machine ( 9.25 kW, 185 V, 1500 RPM) has Ra+Rsr = .3 ohms. The data for the magnetization curve are: Ia 0 10 20 30 40 50 60 Ea 10 50 106 156 184 200 208 Determine the terminal voltage at Ia
A 10-mV signal source having an internal resistance of 100 k Ohm is connected to an amplifier for which the input resistance is 10 k Ohm, the open-circuit voltage gain is 1000 , and the output resis
A bandpass filter with a center frequency of 6kHz, a 3dB banwidth of 1 kHz, and a 50 dB bandwidth of 2kHz is connected to a signal generator that outputs a one volt square wave at a frequency of 2kH
a DC shunt machine ( 24kW, 240V, 1000 RPM) has Ra= .12 ohms, Nf= 600 turns/pol. The machine is operated as a seperately excited dc generator and is driven at 1000 RPM. When If = 1.8 amps the no load
Coils are available which are rated at 4 volts and 5 amps. For the same number of coils to be used for both machines determine the type of armature winding for both machines, number of coils for bot
A four pole DC machine has a wave winding of 300 turns. The flux per pole is .025 webers. The DC machine rotates at 1000 RPM. Determine the generated voltage and the kW rating if the current through
Is connections in transformer are mains connected with the transformer or winding connections If it is mains connections then how can we connect zig-zag transformer in delta configuration
A chemical engineer has developed a new chemical formularfor a fuel additive. He has written a textbook containing the formula. He has also started a new company to market his fuel additive, and has
An amplifier operates from -5V and +5V balanced power supplies. It provides a 3.2-Vpeak sine across a 150 ohm load when provided with a 0.2-V peak input from which 2.0mA peak is drawn. The average c
An n-type piece of silicon with a length of .21um and a cross section area of .05x.05 um sustains a voltage difference of 1V. If the doping level is 10^17 cm^-3, Calculate total current flowing thro
Water is flowing through a 0.1 m diameter pipe at a velocity of 2.5 m/s. what diameter pipe will it need to transition into to decelerate to 0.5 m/s
The current through a particular circuit element is given by i(t) = 10sin(200*pi*t) A. Determine the net charge that passes through the element between t=0 and t=10ms. Repeat for the interval t=0 an
A motor's shaft is spinning at a speed of 1800 r/min. What is the shaft speed in radians per second
a)What is the voltage across a 220-ohm resistor if the current through it is 5.6 mA b)What is the current through a 6.8-ohm resistor if the voltage drop across it is 24V c) What is the power delivered
(a) What is the acceleration of an electron in a uniform electric field of 1.0x106 N/C (b) How long would it take for the electron, starting from rest, to attain one-tenth the speed of light. Assume
In multiplicative decrease, the congestion window size decreases by half(if the result is not an integer round down to the nearest integer).Suppose that the two TCP connections C1 and C2, share a si