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Describe the temperature control system concepts by using open loop as well as closed loop system.
Explain the principle of heterodyne wave analyzer with a block diagram.
Draw the circuit of an electronic dc voltmeter and explain its working principle. What are the draw backs of it and suggest a method to offset these problems.
Draw the schematic comprising values for an Ayrton shunt for a meter movement having a full scale deflection of 1 mA and an internal resistance of 500 Ω to cover the current ranges of 10, 50,
Describe the independent and dependent sources with the help of V-I characteristics.
Draw the circuit of a half-wave-rectifier and find the ripple factor, % regulation, efficiency and PIV.
Describe the operation of silicon p-n junction diode and obtain the forward bias and reverse bias Volt-Ampere characteristics.
What do you mean by Fermi level? By indicating the position of Fermi level in intrinsic, n-type and p- type semiconductor, describe its significance in semiconductors?
Find out the load resistance to receive maximum power from the source, also find out the maximum power delivered to the load in the circuit as shown below.
A pure inductance of 3 mH carries a current of the wave form shown in figure. Find out the voltage across Inductor VL(t) and sketch the same.
Consider the power system described in figure and table shown below and do the given tasks:
Three equal resistances of value R ohms are joined in a delta fashion as shown in figure below. If this is to be replaced by an equivalent star connected resistances R1, R2 and R3 in terms of R?
Two resistance R1 and R2 are joined in parallel and if the current entering the parallel combination is I. Compute the values of currents I1, I2, flowing in the resistances R1, R2 in terms I, R1, R2
Describe the construction and working principle of D.C generator? Why commutator and brush arrangement essential for the operation of a D.C generator?
Describe the construction and working principle of Transformer?
Illustrate with the help of appropriate diagrams how rotating magnetic field is produced in a three phase induction motor.
Describe the fundamental principle of indicating instruments?
Explain about the N-P-N transistor? Describe about the P-N-P transistor?
What is the principle of CRT (Cathode Ray Tube)? Describe about deflection and sensitivity and state about electrostatic and magnetic deflection?
Design a single output active load differential amplifier for 4V peak-to-peak output swing and phase margins of 60o or greater. Use Vdd = 5V.
Find out the current via each component, in polar form, by using mesh analysis. The source voltages are rms with an angle of 0 degrees.
Find out the current via each component, in polar form, by using superposition analysis. Source voltages are the rms at 0 degrees.
List the required protection actions, referring to the name of circuit breakers and disconnects.
The standard that defines and guides Public Key Infrastructure is: X.800, X.509, RFC 3280, Document - New Directions in Cryptography or ASN.1 for PKIX.
ssume that we have a system with the following needs: data needs to be stored long-term in a way that it is publically accessible (e.g. anyone at all can access the data) but the integrity of the da