EE_Phys_012_Quiz_1 - KING FAHD UNIVERSITY OF PETROLEUM AND...

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KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS University Diploma Programs PHYS 012: Solid State Physics Preparatory Classroom Building, Building # 7, Room # 116. QUIZ # 1 FIRST PAGE NAME: _________________________________ ID: ___________________ ================================================================= Circle the most accurate answer for each of the following questions Q.1. The most widely used semiconductive material in electronic devices is: (a) germanium, (b) carbon, (c) copper, (d) silicon. Q.2. The current in a semiconductor is produced by: (a) electrons only, (b) holes only, (c) negative ions, (d) both electrons and holes. Q.3. In an intrinsic semiconductor: (a) there are no free electrons, (b) the free electrons are thermally produced, (c) there are only holes, (d) there are as many electrons as there are holes, (e) answers (b) and (d). Q.4. The process of adding an impurity to an intrinsic semiconductor is called: (a) doping, (b) recombination, (c) atomic modification,
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EE_Phys_012_Quiz_1 - KING FAHD UNIVERSITY OF PETROLEUM AND...

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