Question
Reason (R): Sometimes a booster amplifier is used with a TV set.
a.
Both A and R are correct and R is correct explanation of A
b.
Both A and R are correct but R is not correct explanation of A
c.
A is correct but R is wrong
d.
A is wrong but R is correct
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Assertion (A): A balun is an RF impedance matching transformer. Reason (R): Sometimes a booster amplifier is used with a TV set.
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. In a TV, studio the function of vision switcher is to
View solution
Q. Y signal has maximum percentage of
View solution
Q. To ensure good transient response in audio systems the natural frequencies should be
View solution
Q. Consider the following features of monochrome TV
1. Number of lines per picture - 625
2. Interlace ratio - 2 : 1
3. Aspect ratio - 4 : 3
4. Channel bandwidth - 8 MHz
As regards CCIR system B, which of the above are correct?
View solution
Q. In the absence of noise, if C is channel capacity in bits/s, δf is channel bandwidth in Hz and N is number of coding levels. Then
View solution
Q. The open loop gain of an amplifier is 50 but is likely to change by 20%. If negative feedback with β = 0.1 is used, the change in gain will be about
View solution
Q. Audio amplifiers need
View solution
Q. For an ideal 3000 Hz channel, S/N ratio is
View solution
Q. Which of the following types of noise assumes greater importance at high frequencies?
View solution
Q. In transistor radio receivers the number of IF amplifier stages are
View solution
Q. To relay outdoor remotely located live programs, TV transmitter use
View solution
Q. If each short element of signal occupies 20 ms, the speed is
View solution
Q. The Hilbert transform of cos ω₁t + sin ω₂t is
View solution
Q. In ionosphere incidence angle is 60°. The maximum usable frequency fm is equal to
View solution
Q. The generally used value of EHV supply in TV receivers is
View solution
Q. The number of channels available in MF band (300 kHz - 3 MHz) for AM modulating signal of 20 kHz is
View solution
Q. The function of blend control in stereo system is
View solution
Q. The output resistance of a microphone is 20 ohms. It is to feed a line of impedance 320 ohms. To ensure maximum power transfer, the turn ratio of transformer is
View solution
Q. In a reactance FET, gm = 9 x 10‾³ Siemens, gate to source resistance is one-ninth of reactance of gate to drain capacitor and frequency is 4 MHz. The capacitive-reactance is
View solution
Q. Audio cassettes used in household tape recorders have a width of
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
