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EE_Phys_012_Major_Exam 2

# EE_Phys_012_Major_Exam 2 - KING FAHD UNIVERSITY OF...

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KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS University Diploma Programs PHYS 012: Solid State Physics Major Examination # 2 Sunday, December 29, 2002 Student Name: ID #: Question No. Points Score 1. 10 2. 20 3. 10 4. 10 5. 10 6. 20 7. 10 8. 10 Total 100

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Q.1 Determine and sketch the waveform of the output voltage for the following zener limiting circuit. (Page 2 of 10)
Q.2 Determine the minimum and the maximum input voltages that can be regulated by the zener diode in the following figure. Calculate the percent line regulation. The diode is 1N4734 and its datasheet is attached. (Page 3 of 10)

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(Page 4 of 10)
Q.3 Answer the following questions: a. Identify the cathode and anode leads for the following diodes. b. Which leads would you ground to display the number “2” on the following common anode segment display. Use arbitrary limiting resistor. c. Draw the two possible symbols of the photodiode. (Page 5 of 10)

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Q.4 Answer the following questions: a. Identify the leads on the transistors in the following figure. Bottom views are shown. b. What is the most probable category of each transistor in the following

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