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Seat No
...
___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER–I & II(NEW)EXAMINATION – SUMMER 2022
Subject Code:3110005
Subject Name:Basic Electrical Engineering
Time:10:30 AM TO 01:00 PM
Date:12-08-2022
Total Marks:70
Instructions:
1
...
2
...
3
...
4
...
Marks
Q
...
02 mm2 and having resistivity of 40 µΩ-cm
...
(c) Define the following terms for AC (alternating current) signal: (i) Peak
Factor (ii) Form Factor (iii) Average Value (iv) RMS Value (v) Time
period (vi)Frequency (vii) Cycle
03
Q
...
(b) State the Norton’s theorem with suitable example
...
OR
(c) Derive an expression for the voltage across the capacitor during charging
through the resistor at any instant Vc = V(1-e -t/RC)
...
03
04
07
Q
...
(b) Distinguish between (i) Apparent power (ii) Active power and (iii)
Reactive power in ac circuits
...
OR
Q
...
(b) Draw Impedance triangle, Voltage triangle, Power triangle for single
phase R-L series circuit
...
03
Q
...
(b) Mention Merits and Demerits of Single Phase Induction Motor
...
OR
Write
applications
of
Auto
Transformer
...
4 (a)
(b) Compare Squirrel cage induction motor and Slip ring Induction Motor
...
03
04
07
Q
...
(b) With help of suitable labeled diagram, explain any two types of wires used
in the residential and commercial wiring
...
OR
Q
...
(b) Write safety precautions for Electrical Appliances
...
07
03
04
07
***********
2