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Assertion (A): SSB systems generally have duplex operation Reason (R): SSB systems are generally used in two way communication. | |
A. | Both A and R are correct and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Correct Answer] |
C. | A is correct but R is wrong [Wrong Answer] |
D. | A is wrong but R is correct [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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475 mA
477 mA
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halved
kept the same
doubled
made 4 times
⇒ A n-type silicon sample contains a donor concentration of N_{d} = 2 x 10^{16} cm^{-3}. The minority carrier hole lifetime is t_{p0} = 5 μs. The thermal equilibrium generation rate of hole is:
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ABCD
y
h
z
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1
2
4
8
⇒ In a CE transistor amplifier, when collector-emitter voltage increases
the instantaneous operating point moves up the load line
the instantaneous operating point moves down the line
load current increases
none of the above
⇒ In the circuit of figure, the value of r_{e} is (neglecting v_{be100 Ω75 Ω50 Ω25 Ω}
⇒ DC amplifiers have a tendency to be unstable.
TRUE
FALSE
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zero
equal to the change of an electron
equal to the change of a pair of electrons
equal to the change of electrons left in the atom
⇒ A cycloconverter is
ac-dc converter
dc-ac converter
dc-dc converter
ac-ac converter
⇒ The dependent current source shown in given fig
delivers 80W
absorbs 80W
deliver 40W
absorbs 40W
⇒ The reason for glitches on the outputs of decoding gates on a synchronous counter is
FFs changing states together
FFs changing states one at a time
AND gates not functioning properly
none of the above
⇒ A parallel in-parallel out shift register can be used to introduce delay in digital circuits.
TRUE
FALSE
⇒ A major advantage of TWT over a Klystron lies in its
higher bandwidth
higher gain
higher frequency
higher output
⇒ Charge needed within a unit sphere centred at the origin for producing a potential fie
12 p_{c}
60 p_{c}
120 p_{c}
180 p_{c}
⇒ In a CE amplifier the ac emitter resistance
is zero
is high
is very high
may have any value
⇒ The correct sequence of events to improve system stability is
insert derivative action, use negative feedback, reduce gain
reduce gain, use negative feedback, insert derivative action
reduce gain, insert derivative feedback, use negative feed back
use negative feedback, reduce gain, insert derivative action
⇒ Poles and zeros of a driving point function of a network are simple and alternate on jω axis. The network consists of
R and C
L and C
R and L
R, L and C