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Two sets of measurements were taken out for measuring Q of a coil joined across the test terminals of the Q-meter.
Describe a test procedure to evaluate the shear modulus of the soil. Explain the steps involved in the analysis and design of block type machine foundation.
Derive the relationship between flexibility matrix and stiffness matrix. What are the different types of frames? Write brief notes on them.
Explain the circuit and working of the Q-meter. Explain its applications.
How is the frequency of a voltage signal measured with CRO?
What do you meant by the term deflection factor of a CRO?
With the help of a neat sketch explain the construction and working of different parts of a cathode ray tube.
Why are electronic instruments becoming more and more famous in spite of the fact that such instruments are costlier in comparison to the electrical instruments?
Describe in detail the principle of operation of electronic voltmeter with the help of the circuit diagram.
Determine the trigonometric Fourier series for the waveform as shown in figure below:
What do you mean by term short noise? Write down the expression for the short noise current in a diode.
State the noise figure of an amplifier. Compute the noise figure of a vacuum tube amplifier supposing appropriate parameter.
Define the term equivalent noise temperature of a radio receiver. Under what conditions could this be more helpful quantity than the noise figure?
The equivalent noise temperature of cooled parametric amplifier is 20 degree Kelvin. Determine the noise figure.
Define the term Compensation. Derive the expression for the Shunt Compensation and Low freq Compensation.
What are the benefits and drawbacks of the symmetrical and unsymmetrical triggering?
What are the applications of the mono stable Multi-vibrator? Why a Monostable multi-vibrator termed as ‘Delay Circuit’.
Differentiate between the Clipping Circuits and Comparators?
What is basic difference between output from clipping and clamping circuit?
What do you mean by Schottky diode? How Schottky diode is employed for reducing storage time of diode switch?
What do you mean by the term transition capacitance?
A pulse of 10V amplitude and pulse width of 1msec is applied to the low pass RC circuit. R = 30 Kohm, C = 0.2 microfarad. Sketch the Output waveform.
Why RC circuits are chosen over the RL circuits for large time constant applications.
What is the fundamental difference between linear and non-linear wave shaping circuits.
Describe the concept of Global positioning system for navigation.