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A 3-phase, 440 V, 4-pole 50 Hz induction motor has a star-connected stator and rotor. The rotor resistance and standstill reactance/ phase are 0.22 Ω and 1.2 Ω respectively; the stator to rotor turn ratio being 1.3. The fullload slip is 4%. Calculate the full-load torque and power developed. Find also the maximum torque and the corresponding speed.
Paper that talks about isolator in integrated circuit - Please be specific and state the details.
Consider a coil wound on an iron core. Suppose that for operation with a given 60-Hz ac current, the hysteresis loop of the core material takes the form of a rectangle, as shown in Figure. The core volume is 1000 cm3. Find the power converted to h..
Name an application in industry that uses inductors and/or capacitors in its operation.
Using the expression relating the rate at which current changes in an inductor to the voltage produced at it, find the voltage across the inductor when a switch supplying 7.9 A to a 2.4 mH inductor is suddenly opened.
What effect will this change have upon the operation of the motor, and what will be its speed when stable operating conditions have been regained?
Explain why the short-circuit method for determining the Thevenin resistance of a circuit cannot be applied if the circuit does not contain any independent current or voltage sources.
How to Calculate the Value of Resistor for different types of LED's Circuits ?
Determine the per-phase series impedance of the line.
A variable-speed motor having a nameplate rating of 15 hp, 890 r/min develops a torque of 25 newton meters at 1260 r/min. Calculate the per-unit values of the torque, speed, and power.
A tank circuit coil is operating at a resonance frequency fres = 20 MHz; The circuit must operate with a bandwidth of 200 kHz. What is quality factor, Q, for the coil
List the eight degenerate two-level forms and show that they reduceto a single operations. Explain how the degenerate two-level formscan be used to extend the number of inputs to a gate.
design a 4 bit register with 4 different kinds of flip flops, that has at least 12 different functions. list clearly the functions. Do something creative, and say exactly your innovation. at least one flip flop should have some input besides a mul..
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