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Describe Displacement error in the sawtooth generator.
Write down the two important elements of Blocking Oscillator.
Describe current shunt and voltage shunt feedback amplifiers.
Write down the example for voltage-series feedback.
Describe about the plane waves in lossy dielectrics in detail. Describe about the plane waves in lossless dielectrics in detail.
Explain Circular Polarization in detail. Explain Elliptical polarization in detail.
Write down the physical significance of the poynting vector?
Write down time harmonic Maxwell’s equation in point form. Suppose time factor e-iωt.
Deduce the expression for capacitance of two wire transmission line.
Explain the magnetic boundary conditions in detail.
Write down the Poisson’s and Laplace equations. Derive Poisson’s equation from Gauss’s law.
Deduce the expression for force between two current carrying conductors.
Define potential difference and absolute potential. Write down the relation between potential and field intensity.
What do you mean by divergence theorem? Explain Stoke’s theorem in detail.
Signify point P (0, 1, 1) m given in Cartesian co-ordinates in spherical co-ordinates.
Describe state space representation for discrete time system.
What are the methods available for stability analysis of sampled data control system?
Draw root locus for open loop transfer function of unity feedback control system given below: G(S)H(S)=K/S(S+2)(S+4).
What conclusion can you make in routh array when there is a row of all zeros? What is Nyquist stability criterion?
Explain the relation between stability and coefficient of characteristic polynomial.
Describe the procedure for lead compensation and lag compensation.
Illustrate out the pole placement design procedure for self tuning regulator. Illustrate out the properties of indirect self tuning algorithm with an illustration.
Draw the Bode plot and therefore determine Gain cross over frequency, Phase cross over frequency, Gain margin and Phase margin. G(S) = 0.75(1+0.2S)/ S(1+0.5S) (1+0.1S).
Illustrate design procedure of linear quadratic STR. Illustrate out the term gain scheduling. Illustrate out its applications.
A potential control system with velocity feedback is given in figure. What is the response of the system for unit step input?