CS/B.TECH/(EE/EEE/PWE/ICE)-(New)/SEM-3/EE-301/2013-14
2013
ELECTRIC CIRCUIT THEORY
Time Allotted : 3 Hours Full Marks : 70
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 ten of the following:
10 x 1 = 10
i) Unit step function is first derivative of
a) Ramp function b) Impulse function
c) Gate function d) Parabolic function.
ii) A practical current source is usually represented by
a) a resistance in series with an ideal current source
b) a resistance in parallel with an ideal current source
c) a resistance in parallel with an ideal voltage source
d) none of these.
iii) A two-part network is defined by the relations
I1=2V1+V2 and I2=2V1+3V2 , then Z12 is
a) -2 ohm b) -1 ohm
c) -12 ohm d) -14 ohm.
iv) The Z matrix of a 2-port network is given by
0.90.20.20.6 . The element Y22 of the corresponding Y matrix of the same network is given by
a) 1.2 b) 0.4
c) -0.4 d) 1.8
