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1. Describe the basic features of electricity at a fundamental level? (to achieve a pass grade, explain the nature of electricity)
2. What part of a cable are conductors and insulators? (to achieve a pass grade, identify the conducts and insulators)
Conductors
Insulators
3. Explain, in terms of charged particles, why some objects are electrically attracted to each other, while others repel each other? (to achieve a pass grade, explain attraction and repulsion)
4. Describe the flow of direct current? (to achieve a pass grade, describe direct current)
5. Explain the effect of resistance in circuits? (to achieve a pass grade, explain effect of resistance)
Q. Illustrate Transformer coupling? In this method the primary winding of the transformer acts as a collector load and the secondary winding transfers the a.c. output signal di
Variation of Energy Bands with Alloy Composition The band structures of III-V ternary and quaternary compounds modifies as their composition is varied. There
Q What do you mean by Direct coupling? In this method the a.c. output signal is fed directly to the next stage. No reactance is included in this coupling network. Special d.c.
Explain Stator of a Synchronous Machine? The stator of a synchronous machine is made of thin laminations of highly permeable (silicon) steel in order to reduce the core losses.
The one line diagram of a simple three phase power system is shown in figure below. Each generator is represented by an emf behind the transient reactance. All impedances are expre
Q. Why do we cascade amplifiers? Why is RC coupling the most widely used coupling between 2 stages of a cascading amplifier? The voltage or power gain or frequency response obt
On state voltage drop It is the maximum instantaneous on state voltage measured under pulse conditions to avoid excessive dissipation at a particular junction tem
Q. 10-kVA, 4800:240-V, 60-Hz, single-phase transformer has an equivalent series impedance of 120 + j300 referred to the primary high- voltage side. The exciting current of the tr
Explain n - Type semiconductor. n - Type semiconductor:- (i) If small amount of pentavalent impurity is added with, to a pure semiconductor giving a large number of free
what is signal analysis
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