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A 10-hp, 230-V, 500-r/min shunt motor, having a full-load armature current of 37 A, is started with a four-point starter. The resistance of the armature circuit, including the interpole winding, is 0.39 , and the resistances of the steps in the starting resistor are 1.56, 0.78, and 0.39 ,in the order in which they are successively cut out. When the armature current has dropped to its rated value, the starting box is switched to the next point, thus eliminating a step at a time in the starting resistance. Neglecting field-current changes, armature reaction, and armature inductance, find the initial and final values of the armature current and speed corresponding to each step.
Accumulator - Registers It is an 8 bit registers which is the most important part of the arithmetic and logic unit. It is used to store 8 bit data. The result of
Q. Consider an elementary three-phase, four-pole alternator with a wye-connected armature winding, consisting of full-pitch concentrated coils. Each phase coil has three turns,
With neat diagram indicate how a simple NAND gate decoder is used to select a 2716 EPROM memory component for memory locations FF800H-FFFFFH. Simple NAND gate Decoder: As the 2
Input output The parallelogram symbol is used to represent the input output process as shown below. IN01H
Q. Differential amplifier to eliminate the common-mode voltage? The transducer in some cases may have a local ground that cannot be disconnected. In such a case, a separate gro
Determine the voltage transfer function of the high-pass filter circuit shown in Figure, and find the expression for ω 0 .
Components of GIS: 1. Software: GIS software gives the functions and tools required to store, analyze, and show geographical information. The key software elements are:
State Kirchoff's Current Law Kirchoff's Current Law (KCL) describes at any junction in an electric circuit the total current flowing towards that junction is equivalent to th
Q. Explain the three-line cable Residential wiring? The three-line cable coming out of the secondaries of the distribution transformer on the utility pole passes through the el
The vectors we will use we be refered to right-handed Cartesian axes. Right handed means that the x,y,z axes are oriented in a particular way (which you must know). See diagrams
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