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Q. What is Miller integrator ?
MILLER INTEGRATOR : Consider a basic RC circuit in which the opening of switch provides a sweep voltage.Yhe waveform generated by this basic circuit is not exactly linear,even if the ratio of the sweep voltage and the supply voltage is kept high.The linearity can be improved if the feedback arrangement , such as Miller sweep circuit is made with this. Feedback can be provided if an auxiliary variable voltage generator is introduced in such a way that variable voltage is always equal to the voltage developed across the capacitor.
Input output The parallelogram symbol is used to represent the input output process as shown below. IN01H
Q. What is meant by armature reaction. Explain briefly the bad effects of armature reactions. Sol. By armature reaction is meant the effect of magnetic field set up
Diagram and explanation of cro
Q. Show the Decimal to Hex Conversion? To convert the decimal to the hex is slightly more difficult. The usual method to convert from decimal to hex is repeated division by 16.
Describe the basic process of Spark Erosion (Electric Discharge) machining? Discuss the advantages of EDM as compared to other nontraditional procedures with regard to : (i)
Describe the following in Electric discharge Machining Process(EDM). a) Dielectric fluids & their characteristic b) Electrodo feed Control c) Flushing System
Note, the armature current is produced in pulses as the armature rotates under the poles, so the torque also pulsates. This can give rise to extra wear on bearings and the engin
Q. In an amplifier, the maximum voltage gain is 1500 and occurs at 1kHz. It falls to 1060.5 at 20kHz and at 20Hz. Determine (i) lower cut-off frequency (ii) upper cut-o
V- I Characteristics The operation of the diac can be explained by imagining it as two diodes connected in series. When applied voltage in either polarity is small ( less t
Q. Consider an in?nitely long, straight wire (in free space) situated along the z-axis and carrying current of I A in the positive z-direction. Obtain an expression for ¯ B everywh
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