Types of Chimney in Power Plant

Types of Chimney in Power Plant: Chimney in Power Plant is used to release flue gas into the atmosphere. The chimney is constructed 2.5 to 3 times of height of…

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IR Emitters or Infrared-emitting diodes

IR Emitters or Infrared-emitting diodes: IR Emitters or Infrared-emitting diodes are solid-state gallium arsenide devices that emit a beam of radiant flux when forward biased. Fig. 25.53 depicts the basic…

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Zero bias PN junction

Zero bias PN junction: Zero bias PN junction - Here we will examine the properties of the step junction in thermal equilibrium, where no currents exist and no external excitation…

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Charge Neutrality Equation in Semiconductor

Charge Neutrality Equation in Semiconductor: The semiconductor crystal is electrically neutral under thermal equilibrium conditions. The electrons are distributed among the different energy states, producing both negative and positive charges…

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Equilibrium Conditions in Semiconductor Physics

Equilibrium Conditions in Semiconductor Physics: The electron and hole concentrations, under thermal Equilibrium Conditions can be found by knowing the position of the Fermi energy EF with respect to the…

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Carrier Lifetime in Semiconductor

Carrier Lifetime in Semiconductor: As already explained, in an extrinsic semiconductor the number of holes is equal to the number of free electrons. Due to thermal agitation, new electron-hole pairs…

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