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Explain Atomic structure and Energy Band Diagram of Silicon.
Silicon: It is other most commonly used semiconductor. Atomic number of it is 14. The no. of electrons in first, second and third orbit are 2, 8 and 4. Its atoms are also having four valence electrons and are termed as tetravalent element. The different silicon atoms are held together through covalent bonds. Its atoms are arranged in orderly pattern and make a crystalline structure. The forbidden energy gap in this material is quite small that is 1.1ev. This also requires small amount of energy to lift the electrons by valence to conduction band.
Atomic structure of Silicon Energy Band Diagram of Silicon
Explain pnp transistor circuit . pnp transistor: A transistor consist of three terminals. In this pnp transistor there is two blocks of p- type semiconductors that are separa
Responses to Exponential Excitations Let us consider Aest as a typical exponential excitation in which A is a constant and s is a complex- frequency variablewith a dimension of
Need answers of a question bank of power electronics . It is an assignment. Urgent
Calculate power delivered to the network: 1. A wave is traveling from left to right, emerging from Z g =50 with a peak amplitude of V p =5V. The 1-port network [S] has in=0.5-
Q. Describe the construction of a two stage RC coupled amplifier with diagram. A cascaded arrangement of common-emitter transistor stages is shown above. The output Y1 of
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2's Complement Multiplication Two's complement multiplication follows the similar rules as binary multiplication. For illustration, (-4) × 4 = (-16) 1111
Question The diagrams below depict a modulation (left) and a demodulation(right). (a) Express y(t), u(t) and z (t). (b) What may happen to the demodulated signal y
1. A 230/1000V 50 Hz, single phase transformer has the following test data: Open circuit test (L.V.) Primary voltage = 230V Primary current = 1.30 A Input power
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