Basic Electrical and Electronic Engineering - Dec 2013

First Year Engineering (Semester 2)

TOTAL MARKS:
TOTAL TIME: HOURS

1 Two resistance of 4 ? and 6? are connected in parallel across 10 V battery. Determine the current through 6 ? resistance.(2 marks) 10 Write the advantages of Optical Fibre communication.(2 marks)

Answer any one question from Q11 (a) & Q11 (b)

11 (a) Using mesh Analysis, find the current through various branches in the circuit of figure given below.(16 marks) 11 (b) Derive the expression for phase angle in the R-L series circuit R-C series circuit and R-L-C series circuit.(16 marks)

Answer any one question from Q12 (a) & Q12 (b)

12 (a) Explain the construction and working principle of DC Generator with neat diagram.(16 marks) 12 (b) Explain the working principle of various types of single Phase (1?) Induction Motor with neat diagram.(16 marks)

Answer any one question from Q13 (a) & Q13 (b)

13 (a) Explain the working principle of Half wave an Full wave rectifier with neat waveform.(16 marks) 13 (b) Explain various characteristics of BJT in Common Emitter configuration with neat diagram.(16 marks)

Answer any one question from Q14 (a) & Q14 (b)

14 (a) Explain in detail about D-Flip-Flop, T-Flip-Flop and JK Flip-Flop.(16 marks) 14 (b) Explain working principle of D/A and A/D converters.(16 marks)

Answer any one question from Q15 (a) & Q15 (b)

15 (a) Explain the principle of Amplitude Modulation and Frequency Modulation.(16 marks) 15 (b) Explain the configuration of Satelite communication with neat diagram. Give its Merits and Demerits.(16 marks) 2 Define RMS value.(2 marks) 3 Write the principle of DC motor(2 marks) 4 What is meant by Transformation Ratio?(2 marks) 5 Give the applications of Zener Diode.(2 marks) 6 What are the different modes of Transistor operation?(2 marks) 7 What are the basic properties of Boolean algebra?(2 marks) 8 Write a short note on counters.(2 marks) 9 What is meant by Modulation?(2 marks)