GATE Electrical & Electronics Engineering exam previous paper

Can you give me question paper for GATE Electrical & Electronics Engineering examination in a PDF file format ?

[Quick Sam]

Here I am giving you question paper for GATE Electrical & Electronics Engineering examination in a PDF file attached with it so you can get it easily.

Which one of the following statements is NOT TRUE for a continuous time causal and stable
LTI system?
(A) All the poles of the system must lie on the left side of the jω axis.
(B) Zeros of the system can lie anywhere in the s-plane.
(C) All the poles must lie within 1. s =
(D) All the roots of the characteristic equation must be located on the left side of the jω axis.

Two systems with impulse responses 1( ) h t and 2 ( ) h t are connected in cascade. Then the overall
impulse response of the cascaded system is given by
(A) product of 1( ) h t and 2 ( ) h t
(B) sum of 1( ) h t and 2 ( ) h t
(C) convolution of 1( ) h t and 2 ( ) h t
(D) subtraction of 2 ( ) h t from 1( ) h t

A source ( ) cos100 s v t V t p = has an internal impedance of (4 + j3) . If a purely resistive load
connected to this source has to extract the maximum power out of the source, its value in should
be
(A) 3 (B) 4 (C) 5 (D) 7
A single-phase load is supplied by a single-phase voltage source. If the current flowing from the
load to the source is 0 10 150 Ð- A and if the voltage at the load terminals is 0 100 60 Ð V, then the
(A) load absorbs real power and delivers reactive power.
(B) load absorbs real power and absorbs reactive power.
(C) load delivers real power and delivers reactive power.
(D) load delivers real power and absorbs reactive power.

A single-phase transformer has no-load loss of 64 W, as obtained from an open-circuit test. When a
short-circuit test is performed on it with 90% of the rated currents flowing in its both LV and HV
windings, the measured loss is 81 W. The transformer has maximum efficiency when operated at
(A) 50.0% of the rated current.
(B) 64.0% of the rated current.
(C) 80.0% of the rated current.
(D) 88.8% of the rated current.

Q.10 The flux density at a point in space is given by 4 2 8 x ky = + + x y z B a a a Wb/m2. The value of
constant k must be equal to
(A) –2 (B) –0.5 (C) +0.5 (D) +2

Q.11 A continuous random variable X has a probability density function , ) ( x e x f - = ¥ < < x 0 . Then
} 1 { > X P is
(A) 0.368 (B) 0.5 (C) 0.632 (D) 1.0

Q.12 The curl of the gradient of the scalar field defined by 2 2 2 2 3 4 V x y y z z x = + + is
(A) 4 6 8 xy yz zx + + x y z a a a
(B) 4 6 8 + + x y z a a a
(C) ( ) ( ) ( ) 2 2 2 4 4 2 6 3 8 xy z x yz y zx + + + + + x y z a a a
(D) 0

Q.13 In the feedback network shown below, if the feedback factor k is increased, then the
(A) input impedance increases and output impedance decreases.
(B) input impedance increases and output impedance also increases.
(C) input impedance decreases and output impedance also decreases.
(D) input impedance decreases and output impedance increases.

Q.14 The input impedance of the permanent magnet moving coil (PMMC) voltmeter is infinite.
Assuming that the diode shown in the figure below is ideal, the reading of the voltmeter in Volts is
(A) 4.46 (B) 3.15 (C) 2.23 (D) 0


GATE Electrical & Electronics Engineering exam paper