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The line voltage and current delivered to a balanced 3-phase Wye- connected resistive load bank is measured and found tobe 415 V and 30 A respectively. 1) What is the value of voltage across on phase of the load bank?
2) What is the value of current across on phase of the load bank?
3) What is the value of the total kW power delivered to the load bank?
4) If a single wattmeter is connected to meter the voltage andcurrent of any one phase, what would its kW reading be?
A 50-W lossless line has a length of 0.4. The operating frequency is 300 MHz. A load ZL = 40 + j30 ohm is connected at z = 0, and the Thevenin-equivalent source at z = -l is 12
The rotor of a 4 pole generator is wound with a 100 turn coil. If the flux per pole is 4.5mWb and the rotor turns at a speed of 1800 rpm, determine (a) The frequency of the induced voltage in the rotor.
An EEG signal from a healthy adult contains clinically relevant frequencies in the range of 0 to 45 Hz. The frequency bands are generally grouped as delta (0.5-4 Hz), theta (4.5-8 Hz), alpha (8.5-13 Hz), and gamma (30-45 Hz).
A 450 piece/hr 10 hr B 500 piece/hr 8 hr A set of unsharpen ed tools costs $1,500 and can be ground 15 times. The cost of each grinding is $20. The time required to change and reset the tools is 2 hours, and such changes are made by a tool-setter.
An induction motor takes 350kW at 0.8 power factor lagging while driving a load. When an overexcited synchronous motor taking 150kW is connected in parallel with the induction motor, the overall power factor is improved to 0.95 lagging.
A four-pole, 450-kW, 4.6-kV SHUNT GENERATOR HAS ARMATURE AND FIELD RESISTANCES OF 2 AND 333 Ohms. The generator is operating at the rated speed of 3,600 r/min.
What is the magnetic force on a 2.0-m length of ( straight ) wire carrying a current of 30 A in a region where the uniform magnetic field has a magnitude of 55 mT and is directed at an angle of 20o away from the wire
The response of a LTI system to the input x[n] = (1/4)^n u[n] is y[n]=5(3/4)^n u[n]. A) Find the impluse response h[n] of the system. B) Find the output y[n] for the input x[n] =(1/3)^n u[n].
Explain the following terms; (i) critical radius of insulation. (ii) economic lagging thickness.
A potentiometer is wired to represent a range of 0 - 180 degrees. The potentiometer is supplied with a voltage of 15 Vdc. What is the output voltage at 75 degrees
The messages being sent are 2 milliseconds long. Computer A starts sending a message on the bus; 250 microseconds later, Computer B starts to send a message, and 250 microseconds after that, Computer C starts to send a message.
Desing a logic circuit that implements a serial adder/subtracter with accumulator for a 6-bit binary number. you should use one of the imputs to select between the adder and the subtracter. Asumme that negative numbers are represented by 2's compl..
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