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Extrinsic Material:
THE CHARACTERISTICS OF SEMI CONDUCTOR material can be alter significant bin addition of certain impurity atoms into the relatively pure se conductor material called doping process is called an extrinsic material.
n-type material ; the n type material is created by introduction those impurity element that have five valence electrons such as antimony , arsenic and phosphorous . These diffused impurities with five valence electronics are called donor altos. Note that after doping the n type material is still electrical neutral. Since number of protons in a nuclear is still equal to number of free and orbiting negatively charged electrons in the structure.
Electrostatic Potential
Let ω = 2π × 60 rad/s corresponding to a frequency of 60 Hz. (a) Consider v(t) = 100 √2 cos(ωt + 30°) V and i(t) = 10 √2 sin(ωt + 30°) A. Find the corresponding phasors ¯V and ¯
Issue In Sub-Transmission and Distribution Systems The major issue in Sub-transmission and Distribution systems or rather the issue confronting the power sector as an overall,
Q. Consider an RL series circuit excited by (a) v(t) = 20e -2t V, and (b) v(t) = 20 V. Determine the forced component of the voltage across the inductor for R = 2 and L = 2H.
Q. What are the advantages and disadvantages of a R-C coupled amplifier. Advantages · It has excellent frequency response. The gain is constant over the audio frequency ra
a. With neat circuit diagram and frequency response curve define the two stages RC coupled amplifier. What are its benefits and applications? b. Sketch ideal and the actual resp
Given that a BJT has β = 60, an operating point defined by I CQ = 2.5 mA, and an Early voltage V A = 50 V. Find the small-signal equivalent circuit parameters g m , r o , and rπ.
determine the efficience of a 16 KVA transformer for the full-load,unit power factor
Q. Consider an elementary three-phase, four-pole alternator with a wye-connected armature winding, consisting of full-pitch concentrated coils. Each phase coil has three turns,
Given that , f(a,b,c,d,e) = Σm (6,7,9,11,12,13,16,17,18,20,21,23,25,28) using a Karnaugh map. (i) Find the essential prime implicants (ii) Find the minimum sum of product
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