Computer Programming MCQs

5739 MCQs  (Page 238 of 574)

Attempt Computer Programming MCQs Quiz
In TV transmission, sound signal is ______________modulated?
A. Amplitude
B. Frequency
C. Phase
D. None of the above
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In the above question, what is the power in sidebands?
A. 8 kw
B. 6 kw
C. 06 kw
D. 9 kw
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In a TRF radio receiver, the RF and detection stages are tuned to______________?
A. Radio frequency
B. If
C. Audio frequency
D. None of the above
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In a superhetrodyne receiver, the difference frequency is chosen as the IF rather than the sum frequency because _________________?
A. The difference frequency is closer to oscillator frequency
B. Lower frequencies are easier to amplify
C. Only the difference frequency can be modulated
D. None of the above
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A tuned amplifier is generally operated in ____________operation?
A. Class a
B. Class c
C. Class b
D. None of the above
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At series resonance, the circuit offers____________ impedance?
A. Zero
B. Maximum
C. Minimum
D. None of the above
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The voltage gain of a tuned amplifier is____________at resonant frequency
A. Minimum
B. Maximum
C. Half-way between maximum and minimum
D. Zero
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A tuned amplifier is used in ___________ applications?
A. Radio frequency
B. Low frequency
C. Audio frequency
D. None of the above
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At series resonance, voltage across L is____________voltage across C?
A. Equal to but opposite in phase to
B. Equal to but in phase with
C. Greater than but in phase with
D. Less than but in phase with
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A tuned amplifier uses__________load?
A. Resistive
B. Capacitive
C. Lc tank
D. Inductive
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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