EE_Phys_012_Final_Exam - KING FAHD UNIVERSITY OF PETROLEUM...

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KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS University Diploma Programs PHYS 012: Solid State Physics Final Examination Saturday, January 18, 2003 Student Name: ID #: Question No. Points Score 1. 10 2. 10 3. 10 4. 10 5. 10 6. 10 7. 10 8. 5 9. 5 10. 5 11. 15 Total 100
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Q.1 Write the device name, or its abbreviation, under each of the following symbols. Label each symbol with its appropriate terminal designations. (Page 2 of 13)
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Q.2 Write the device name, the fully qualified name, under each of the following symbols. Label each symbol with its appropriate terminal designations. (Page 3 of 13)
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Q.3 Circle the most accurate answer for each of the following questions: I. A thyristor has: (a) two pn junction, (b) three pn junctions, (c) four pn junctions, (d) only two terminals. II. Once it is conducting, a 4-layer diode can be turned off by: (a) reducing the current below a certain value, (b) disconnecting the anode voltage, (c) answers (a) and (b), (d) neither answer (a) nor (b). III. An SCR can be turned off by: (a) forced commutation, (b) a negative pulse on the gate, (c) anode current interruption, (d) answers (a), (b), and (c), (e) answers (a) and (c). IV.
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EE_Phys_012_Final_Exam - KING FAHD UNIVERSITY OF PETROLEUM...

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