CS/B.Tech(ECE,EE,EEE,IC,BME,PWE,CSE,IT)/SEM-3/EE-301/2009-10
2009
CIRCUIT THEORY & NETWORKS
Time Allotted:3 Hours Full Marks:70
The Figures in the margin indicate full marks.
Candidates are requested to give their answer in their own words as far as practicable.
Group -A
(Multiple Choice Type Questions)
1. Choose the correct alternatives for any ten of the following:
i) Laplace Transform analysis gives
(a) Time domain response only
(b) Frequency domain response only
(c) both (a) & (b)
(d) real response only
ii) If a function is shifted by 'T', then it is correctly represented as
(a) f(t−T)u(t)
(b) f(t−T)u(t−T)
(c) f(t)u(t−T)
(d) (t−T)f(t−T)
iii) The equivalent resistance between x & y of the figure shown below is
(a) 30Ω
(b) 50Ω
(c) 60Ω
(d) 10Ω
iv) If f(t) is an even function, then its Fourier transform F(jw) is given by
(a) 2∞∫0f(t)coswtdt
(b) ∞∫0f(t)coswtdt
(c) 2∞∫0f(t)sinwtdt
(d) ∞∫0f(t)sinwtdt
v) The Thevenin's equivalent resistance of the given circuit with respect to the terminals A&B is equal to
(a) 2.66Ω
(b) 3.2Ω
(c) 8Ω
(d) 12Ω