In a P-type semiconductor a. both holes and free electrons are equal in number b. holes are minority charge carriers C. holes are majority charge carriers d. free electrons are majority charge carriers
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- When a pentavalent impurity is added to a pure semiconductor, it becomes ......... 1. An insulator 2. An intrinsic semiconductor 3. p-type semiconductor 4. n-type semiconductorFor the diodes used , at what Voltage (VD) does condection stars .0:- Consider the circuit in Figure a) What type of circuit is this? b) Find and Sketch the voltage waveform across RL, assume the diodes are practical. c) If 100uf capacitor parallel with the resistor, calculate the ripple is connected factor I O o D
- Choose the doping material that will cause silicon to become a p-type semiconductor. A. Ge B. As C. Te D. BSketch i agains v to scale for the circuit. Assume 0.6 V for all diodes in the forward-bias region.n-type semiconductors a. are produced when Indium is added as an impurity to Germanium b. uses trivalent impurity c. are produced when phosphorous is added as an impurity to silicon d. are produced when boron is added as an impurity to silicon
- True or False. Please explain. thank you As the temperature increases, the forward voltage decreases in a silicon diode. Then, the graph of the forward bias region will shift to the left.Minor impurities of group 13 or group 15 elements are introduced in order to improve the conducting ability of the semiconductor silicon. Using a band diagram, explain how each of these types of dopants alters the conductivity of the semiconductor.With suitable crystal structure, explain N type extrinsic semiconductor in detail.
- A p-type semiconductor joined to an n-type semiconductor ... Pick those that apply. Will not allow current to flow in either direction. Has electron current flowing from the n-type to the p-type material Makes a diode Allows positive current flow from the p-type to the n-type materialHow many valence electrons does a semiconductor has? a. 2 b. 3 c. 6 d. 4 When pure semiconductor is heated, its conductance a. Goes up b. Goes down C. Remains the same d. Can't say When a trivalent impurity is added to a pure semiconductor, it becomes a. A conductor b. An intrinsic semiconductor C. P-type semiconductor d. N-type semiconductorSuppose a semiconductor has ND=1016/cm3and ni =1010/cm3. What are the equilibrium electron and hole concentrations?