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The dominant wave of rectangular waveguide is :
(ക) 18 ര ന )8 TEy (D) ™,

When an EM wave is incident normally on the surface of a perfect dielectric, it is :
(A) fully transmitted

(8) fully reflected

(C) absorbed

(D) partially transmitted and partially reflected

A uniform plane electromagnetic wave propagating in x-direction have :
(ക) E, component only

(8) Components of E and T in x-direction only

(9 Components of E and H only in direction perpendicular to x-direction
(D) 1, component only

VSWR of a ling terminated in an open circuit is :
(&) infinity B 0 0 1 Dy =1

For BIBO slability of a system which of the following statement is correct ?
(A) all roots of the characteristic equation must lie in RHS plane

(B) all roots must be in the LHS plane

(0) roots must lie either on jw axis or LHS plane

(D) roots must lie either on jw axis or RHS plane

The number of poles in the left half plare, right half plane and on the jw axis can be found
out from : '

(A)Rumlocusplot (B)Nyqux&'tm’ten‘on
(C)Mflmn’sgainfommla (D) Routh Hurwitz criterion

For frequency domain analysis of systems, the methods available are :
(வ) Nyquist plot (8) Bode plot
(9 Both (ಗಿ) ೩೧೧! (8) (D) Root locus plot

Signal Flow Graph applies :
(५) toall systems (B) only to linear systems
(C) णा] to discrete systems. (D) எழ to non linear systems

Preemphasis and deemphasis is associated with :
(ಗಿ) AM broadcasting (B) TV broadcasting
(C) Amateur communication (D) FM broadcasting

155/2014 ⋅ 8 A