CODE : ES 201 (Pt-I-EE)
CS/B.TECH (NEW)/SEM-2/ES-201 (Pt-I-EE)/2012
2012
BASIC ELECTRICAL &
ELECTRONIC ENGINEERING-II
(EE PART)
Full Marks : 35
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
(Multiple Choice Type Question)
1. Choose the correct alternatives for any five of the following:
5 x 1 = 5
i) In a three phase balanced system, line voltage makes an angle with phase voltages
a) 30° 
b) 60°
c) 90° d) 120°
ii) The speed in which stator magnetic field rotates is called
a) actual speed
b) synchronous speed
c) slip speed
d) super-synchronous speed.
iii) If a d.c. series motor is started at no load, the speed will be
a) rated speed
b) zero
c) very high