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A three phase abc sequence wye connected source with Van=220<0degrees Vrms supplies power to a wye connected load that consumes 50 kW of power in each phase at a pf of .8 lagging. Three capacitors are found that each have an impedance of -j2.0, and they are connected in parallel with the load in a wye configuration. Determine the power factor of the combined load as seen by the source.
a. A load consumes 150kW with a power factor pf = 0.7 (lagging). If the load current is 240A (RMS), find the load voltage. b. An industrial plant has an inductive load which consumes 10kW of power from a 220VRMS line.
Develop the pseudo-code below for a program that will retrieve 2 bytes (NUM1 and NUM2) from memory, determine which is closest to the numeric value 50, and indicate the result by setting a variable named "CLOSEST" to 1 (if 1st byte is closest) or ..
A circular coil of 200 turns of radius a=60mm, total resistance R=2 ohm, and no self inductance is rotated about a vertical diameter with uniform angular velocity =200 rad/s in a horizontal magnetic flux B of 0.25 Tesla.
a) Determine the range of load resistances over which the circuit gives a constant Vout if Rs = 1500 kilo ohms and Vs = 150V. Assume the diode breakdown voltage is 100V and the maximum rated current is 100 mA.
Eigenfunctions and LTI systems, The eigenfunction property is only valid for LTI systems. Consider the cases of nonlinear and of time varying systems.
Consider a signal x(t) = 10 cos(2pi*fct + 4 cos 2pi*fmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when.
Assume a block size of 256 bytes, a clock rate of 1GHz, an L1 miss rate of 2%, and that main memory takes 100ns of overload and then delivers 16 bytes per clock cycle. What is the AMAT
Two metal plates with an area of 4 cm2 and separation distance of 0.01 cm are used to form a capacitance transducer. If the material between the two plates has a dielectric constant of 2.5 and the dielectric constant of free space is 8.85 pF/m
A spread-spectrum acquisition system uses a serial search scheme.The synchroniser integrates the squarer output for interval of 0.1s and the synchroniser output is sampled at intervals of 0.05s . The probability of false alarm is 0.064255 .
Computer security is not an issue for organizations alone. Anyone whose personal computer is connected to a network or the Internet faces a potential risk of attack. Identify all the potential security threats on a personal computer.
A designer searches for a simple circuit to provide one-third of a signal current I to a load resistance R. Suggest a solution using one resistor. What must its value be. What is the input resistance of the resulting current divider
Design a low pass active filter that passes frequencies at 900 Hz and below and at these values the magnitude (in dB) of the transfer function is 20+-3(between 23 dB and 17 dB). The circuit's magnitude (in dB) of the transfer function at a frequen..
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