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Sem - II Jun 2008 Pattern Basic Electronics Eng. (I)

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Total No. of Questions : 12] [Total No. of Printed Pages : 4 [3761]-109 F. E. (Semester - II) Examination - 2010 BASIC ELECTRONICS ENGINEERING (June 2008 Pattern) Time : 3 Hours] [Max. Marks : 100 Instructions : (1) Answer three questions from section I and three questions from section II. (2) Answers to the two sections should be written in separate books. (3) Black figures to the right indicate full marks. (4) Neat diagrams must be drawn wherever necessary. (5) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. (6) Assume suitable data, if necessary. SECTION - I Q.1) (A) Draw and explain Forward and Reverse Characteristics of Zener Diode. [06] (B) Write short note on Multiplexed Display. [06] (C) A Bridge Rectifier Circuit has Secondary Voltage of 16Vrms. Assume Secondary Resistance and Diode Forward Resistance negligible. Load Resistance is 1k . Calculate Peak Load Current, D. C. Load Current, RMS Load Current and P.I.V. of each Diode. [06] OR Q.2) (A) [3761]-109 For Half Wave Rectifier drive equation of Ripple Factor and Efficiency. [06] 1 P.T.O.

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