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A three-phase Δ-connected six-pole winding is installed in 36 slots on a stator. There are 150 turns of wire in each slot of the windings. All coils in each phase are connected in series. The flux per pole in the machine is 0.060 Wb, and the speed of rotation of the magnetic field is 1000 r/min.
(a) What is the frequency of the voltage produced in this winding?
(b) What are the resulting phase and terminal voltages of this stator?
Find the electical force of attraction of a 6 coulomb positive charge and an 18 coulomb negative charge separated by a distance of 12 centimeters.
at no load and rated volatge, the speed is 1200rom, and the armature curnt is 3ampere. at fullload and rated volatge ,the line curent is 47 ampere and bcuz of aarmature reaction the fluc is 4% less that its no load value 1) what is the full no loa..
Design an op-amp astable multivibrator to have an output frequency of 400Hz and the frequency should be adjustable by plus or minus 20%. Use a 741 op-amp with supply of plus or minus 18 volts.
Consider alternative conditioning circuits and processing and select the appropriate options and implement design-Characterize and model the sensor, design conditioning circuits and processing.
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 instantaneous current at 20 usec
You have available a temperature-to-voltage transducer which generates a voltage of 5 V at 160°C and an alarm which activates at -15 V and is off for larger voltages. Sketch the transfer characteristics.
Physically test your design in the FPGA development board. Use two switches to produce rst and ena and use an LED to display the output.
Suppose a standard single-phase transformer that has a rating of a 15 kVA, 600V/120V, 60 Hz is reconnected as an autotransformer to obtain 600 V primary to 720 V secondary voltage ratio.
Studies of executive pay practices have consistently shown that the compensation of utility CEOs is significantly less sensitive to the firm's performance than that of nonutility CEOs. Explain why, using the trade-off between risk and incentives.
The generator delivers 32·2 A at 120 V.- What is the percentage efficiency of the generator ? - How much energy is lost per minute of operation ?
a. Given a circuit with a VCVS (A=1000) in series with a 100K ohm resistor, convert this circuit to a VCCS in parallel with a resistor R. b. Connect both circuits to a 25K ohm load resistor and show they produce the same behavior in the load resis..
A motor is connected to a 120 V rms, 60 Hz line. The motor is rated at 2 kVA and operates with a power factor of 0.8.
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