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Give a detailed note on the principle, construction and working of dual trace oscilloscope. With a neat block diagram, describe the working of a digital multimeter.
What are the significant factors which decide the configuration and sub system of the DAS?
Briefly explain the BJT RAM. Describe in detail the classification, characteristics and parameters of Digital IC’s.
A thin circular wire of the soft iron has a gauge factor of 3.8. What is the Poisson’s ratio of the soft iron?
Write brief note on the piezo-electric transducers.
Explain the construction, theory and working of the thermocouples. Explain the various types of compensations used and as well the methods of measurements of their output voltage.
State the term transducer. What is the requirement of a transducer?
Draw the equal circuit and phasor diagram of the potential transformer. Deduce the expressions for its ratio and phase angle errors.
Describe the drawbacks of shunts and amplifiers when used for extension of range.
How does the wave analyzer distinct from a harmonic distortion analyzer?
Why are temperature-compensating devices employed in the signal generators?
The accelerating voltage is 2500 V. Find out the deflection sensitivity and deflection factor of the cathode ray tube.
Find out the percentage error in Q-measurement introduced by the 0.02Ω insertion resistances. The resonating capacitor is 135pF and oscillator frequency at resonance is 3MHz. The resistance of
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.
Two sets of measurements were taken out for measuring Q of a coil joined across the test terminals of the Q-meter.
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.