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Exam Details

ESE (IES)Electronics & Communication Engineering P1 2014

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Questions 120
Duration 180 mins
Package ESE & GATE EC - Previous Year Papers

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Difficulty distribution

Medium 95 79.2%
Easy 15 12.5%
Hard 10 8.3%

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Multiple Choices 120 100%

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Sample questions from this paper

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1
2014 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2014
Consider an LTI system representing a passive electrical network. If the input is a sinusoidal signal, then the steady output of the network is
A
sinusoidal with the same amplitude, frequency and phase
B
sinusoidal with the same frequency, but possibly different amplitude and phase
C
sinusoidal with a different frequency
D
non-sinusoidal
2
2014 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2014
A series R-L circuit (r = 4 Ω and L = 0.01 H) is excited by a voltage (in volt) V(t) = 283 sin(300t+90 °) The current in the circuit will be
A
40 sin (300t + 53.1 °)A
B
40 sin 53.1 ° A
C
sin (300t+53.1 °)A
D
sin 53.1 ° A
3
2014 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2014
An inductor L and 5 Ω and 10 Ω resistors are all connected in series across a voltage source v (t) = 50 cos ωt volt. If the power consumed by the 5 Ω resistor is 10 W, then the power factor of the circuit is
A
0.3
B
0.4
C
0.6
D
0.8
4
2014 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2014
A graph in which at least one path (disregarding orientation) exists between any two nodes of the graph is a
A
connected graph
B
sub-graph
C
fundamental graph
D
directed graph
5
2014 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2014
If and be the sub-matrices of (fundamental cut-set matrix) corresponding to twigs and links of a connected graph respectively, then 1. is an identity matrix 2. is a rectangular matrix 3. is of rank Which of the above are correct?
A
1 and 2 only
B
1 and 3 only
C
1, 2 and 3
D
2 and 3 only
6
2014 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2014
Tellegen's theorem (as applicable to any lumped dc network, regardless of the elements being linear or non-linear, time varying or time invariant) implies that
A
sum of the voltage drops across each network element is equal to the total voltage applied to the network
B
sum of the powers taken by all elements, in the network, within the constraints imposed by KCL and KVL is zero
C
it is applicable to a branch which is not coupled to other branches of the network
D
sum of the currents meeting at any node is not the same as the current in that mesh