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Q. Explain Shunt-field control process?
Shunt-field control, armature-resistance control offers a constant-torque drive because both flux and, to a first approximation, allowable armature current remain constant as speed varies. The shunted-armature method is a variation of this control scheme. This is illustrated in Figure (a) as applied to a series motor, and in Figure (b) as applied to a shunt motor. Resistors R1 and R2 act as voltage dividers applying a reduced voltage to the armature. They offer greater flexibility in their adjustments to provide the desired performance.
Bipolar Junction Transistor: Transistor construction: the emitter layer is heavily doped, the base is light doped and the collector is only lightly doped. Outer layer has wi
Define pipelining? In 8086, to speedup the implementation of program, the instructions fetching and implementation of instructions are overlapped each other. This method is kno
Q. An antenna with an effective noise temperature of 130 K couples through a waveguide that has a loss of 0.8 dB to a receiver. Find the effective noise temperature presented by th
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An audiomessage is band-limited to 15 kHz, sampled at twice the Nyquist rate, and encoded by a 12-bit natural binary code that corresponds to Lb = 212 = 4096 levels, all of which s
i want to plot a system current transfer matrix element vs frequency curve.how can i draw it?any suggestion.
Q. Show Capital asset pricing model? This model was developed by the William F Sharpe ( 1990 Nobel prize winner in the economy ) and john linter in 1960. The model attempt to c
List the four instructions which control the interrupt structure of the 8085 microprocessor. DI ( Disable Interrupts ) EI ( Enable Interrupts ) RIM ( Read Interrupt Masks
Dc Circuits: In this unit, you have learned about methods of network analysis which are general in nature such as KCL, KVL, Nodal and Mesh analysis. These general methods may
How to work ring counter?
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