GATE EC Question Paper 2002.
GATE i.e. Graduate Aptitude Test in Engineering Electronics and Communication 2002 Exam has been conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE EC 2002 examination is the procedure to get the admission in M.Tech
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GATE EC Question Paper 2002
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1. For a bit-rate of 8 kbps, the best possible values of the transmitted frequencies in a coherent binary FSK systcm are
(b) 20 kllz and 32 kHz
(c) 20 kHz and 40 kIlt
(d) 32 kHz and 4() kI-Jz
2. The line—of—sight communication requires the transmit and receive antennas to face each other. If the transmit antenna is vertically polarized, for best reception the receive antenna should he
(a) horizontally polarized
(b) vertically polarized
(c) at 450 with respect to horizontal polarization.
(d) at 450 with respect to vertical polarizat ion.
3. The VSWR can have any value between
(ii) 0 and I
(b) I and +1
(c) 0 and x
(d) I and
4. In an impedance Smith chart, a clockwise movement along a constant resistance circle gives rise to
(a) a decrease in the value of reactance
(b) an increase in the value of reactance
(c) no change in the reactance v1lLte
(d) no change in the impedance value