CS/B.TECH(ECE-N)/SEM-3/EC-301/2012-13
2012
CIRCUIT THEORY AND NETWORKS
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 Questions )
1. Choose the correct alternatives for the following : 10 × 1 = 10
i) Maximum power transfer occurs at circuit efficiency of
a) 100% b) 50%
c) 25% d) 75%.
ii) The internal impedance of an ideal voltage source
should be
a) zero
b) infinite
c) greater than zero but less than infinity
d) none of these.
iii) A step function is the first derivative of
a) ramp function
b) parabolic function
c) gate function
d) impulse function.