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Consider the following stateme | |
A. | 1, 2, 3 [Wrong Answer] |
B. | 1, 3, 4 [Wrong Answer] |
C. | 2, 3, 4 [Wrong Answer] |
D. | 1, 2, 4 [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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Helical antenna
Pyramidal Horn
Comer reflection antenna
Yagi-Uda antenna
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1000
1100
1010
1001
⇒ A sine wave is passed through an amplifier which severely limits it symmetrically. If then passes to a second amplifier which is narrow band and tuned to the frequency of the original sine wave. What will be the output wave from this second amplifier?
A square wave of the same frequency as that of the original sine wave
A square wave of double the frequency of that of original sine wave
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TRUE
FALSE
⇒ FM signal can be generated by
diode reactance modulator
saturable reactor modulator
reactance tube modulator
none of the above
⇒ In the spectrum of a frequency modulated wave
carrier frequency cannot disappear
carrier frequency vanishes when modulation index is large
the number of significant sidebands depends upon modulation index
none of the above
⇒ 71_{8} = __________ .
111000_{2}
111001_{2}
100001_{2}
110001_{2}
⇒ The circuit in figure, is to be scaled to an impedance level of 5kΩ and resonant frequency of 5 x 10^{6} rad/sec. The possible combination of R, L,
2.5Ω, 0.2 mH, 200 pF
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⇒ An FM signal with deviation δ is passed through mixer. Its frequency is reduced five fold. The deviation in output of mixer is
0.28
δ
5 δ
very very high
⇒ If memory chip size is 256 x 1 bits, the number of chips required to make 1 k byte memory is
8
12
24
32
⇒ For the system in the given fi
y_{k} = u_{k} + 0.5 y_{k - 2}
y_{k} = u_{k} + 0.5 u_{k - 2}
y_{k} = u_{k} - 0.5 y_{k - 2}
y_{k} = u_{k} - 0.5 u_{k - 2}