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A transmitter serial current contains | |
A. | carrier frequencies [Wrong Answer] |
B. | audio frequencies [Wrong Answer] |
C. | radio frequencies [Correct Answer] |
D. | none of the above [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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supply voltage will decrease
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less than 90°
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raised-cosine
flat
parabolic
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short wave
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falls to 36.8% of its final steady value
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rises to 63.2% of its final steady value.
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set Q = 1 and Q = 0
set Q = 0 and Q = 1
change the output to the opposite state
no change in output
⇒ A single phase half wave controlled rectifier circuit has a free wheeling diode. The load is a combination of R and L. The firing angle is a. The period of conduction of SCR and free wheeling diode respectively are
a < ωt < p and p < ωt < (2p + a)
a < ωt < p and p < ωt < 2p
a < ωt < (p + a) and (p + a) < ωt < 2p
a < ωt < p and p < ωt < (2p - a)
⇒ The rating of a transformer to deliver 100 watts of D.C. power to a load under half wave rectifier will be nearly
1 kVA
350 VA
175 VA
108 VA
⇒ If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is
23 dB
25 dB
46 dB
50 dB
⇒ Which of the following theorems is a manifestation of law of conservation of energy?
Tellegen's theorem
Reciprocity theorem
Thevenin's theorem
Norton's theorem
⇒ The recently-introduces CD-ROM PC by Head Start Technologies Co. of New York enables users to view or play __________ .
vast amounts of text
graphics
music
all of the above
⇒ Ac signals are given to both inverting and non-inverting terminals of an op-amp. When will the output maximum
when the phase difference between the inputs is 0°
when the phase difference between the inputs in 90°
when the phase difference between the inputs is 180°
when the phase difference between the inputs is 0 or 180°