Download DBATU B-Tech 1st Year 2017 Dec Basic Electrical Engineering 3 Question Paper

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B.Tech First Year 2017 Dec Basic Electrical Engineering 3 Question Paper

Branch: B. Tech.
[EE104]
Date: 18/ 12/2017
Instructions to the Students:
1. Each question carries 12 marks.
2. Attempt any five questions of the follo?
3. Illustrate your answers with neat sket
it Clearly.
Subject with Subject Code: Basic Electrical Engi ?
(2.1.
.3.
YOU
Fig.1. Q2(a)
.? 91; ?fe the energy consumed by the
T?at capacity of water is 4190 J/kg K.
\ 2=R1[1+??1(62_91)]
ice at temperature 91?C ,
(5M)
(6M) '
(5M)

(b) State and explain Superposition theorem.
OR
(b) Find the current through 209 resistance using KV
shown in fig. 2. IO ??- lo ?-?L.'
utu yrinduced emf.
-) .
in[314t+es) ,
(5M)
10 gh 100 pF capacitor when the
lgefch the waveform of the current
(5M)
3D4CO90155352B84FD608E032D7A50DB
L'
XX?

(b) A magnetic core in the form of closed ring, has a mean} ?
section of 1 cm2.The relative permeability of iron is 2499"
needed in a coil of 1800 turns uniformly round the tin?
the'iron? '
Q.6
- (a) Derive the EMF equation of transformer