MCQOPTIONS

Explore topic-wise MCQs in Linear Integrated Circuit.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.

1.	THE_VALUE_OF_FEEDBACK_RESISTOR_IN_PHASE_SHIFT_OSCILLATOR_IS_180K‚ÂÀ√≠¬¨¬©._FIND_ITS_INPUT_RESISTANCE??$#
A.	52k‚âà√≠¬¨¬©
B.	151k‚âà√≠¬¨¬©
C.	209k‚âà√≠¬¨¬©
D.	6.2k‚âà√≠¬¨¬©
Answer» D. 6.2k‚âà√≠¬¨¬©

2.	The condition for zero phase shift in wein bridge oscillator is achieved by$
A.	Connecting feedback to non-inverting input terminal of op-amp
B.	Balancing the bridge
C.	Applying parallel combination of RC to the feedback network
D.	All of the mentioned
Answer» C. Applying parallel combination of RC to the feedback network

3.	Determine the frequency of oscillation (fo) in phase shift oscillator?$
A.	f<sub>o</sub> = ‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ6/‚âà√¨‚àö¬¢RC
B.	f<sub>o</sub> = 0.56/‚âà√¨‚àö¬¢RC
C.	f<sub>o</sub> = 0.065/‚âà√¨‚àö¬¢RC
D.	f<sub>o</sub> = 6/‚âà√¨‚àö¬¢RC
Answer» D. f<sub>o</sub> = 6/‚âà√¨‚àö¬¢RC

4.	A phase shift oscillator is designed to oscillate at 155Hz. Determine the value of Rf. (Take C=0.30¬¨¬®¬¨¬µF?#
A.	399‚âà√≠¬¨¬©
B.	3.98M‚âà√≠¬¨¬©
C.	13.9k‚âà√≠¬¨¬©
D.	403k‚âà√≠¬¨¬©
Answer» E.

5.	Find out the constant values of ‚âà√≠¬¨¬± and ‚Äö√†√∂‚àö¬∫ in phase shift oscillator.$
A.	‚âà√≠¬¨¬± = ‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ6, ‚Äö√†√∂‚àö¬∫ = -1/29
B.	‚âà√≠¬¨¬± = 6, ‚Äö√†√∂‚àö¬∫ = -1/29
C.	‚âà√≠¬¨¬± = ‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ6, ‚Äö√†√∂‚àö¬∫ = 1/29
D.	‚âà√≠¬¨¬± = 6, ‚Äö√†√∂‚àö¬∫ = -1/29
Answer» B. ‚âà√≠¬¨¬± = 6, ‚Äö√†√∂‚àö¬∫ = -1/29

6.	Which type of op-amp is avoided for high frequencies?
A.	LM318
B.	Op-amp 741
C.	LF 351
D.	None of the mentioned
Answer» C. LF 351

7.	What must be done to ensure that oscillation will not die out in RC phase shift oscillator?
A.	Gain of amplifier is kept greater than 29
B.	Gain of amplifier is kept greater than 1
C.	Gain of amplifier is kept less than 29
D.	Gain of amplifier is kept less than 1
Answer» B. Gain of amplifier is kept greater than 1

8.	Calculate the frequency of oscillation for RC phase shift oscillator having the value of R and C as 35‚âà√≠¬¨¬© and 3.7¬¨¬®¬¨¬µF respectively.$
A.	1230 Hz
B.	204 Hz
C.	502Hz
D.	673 Hz
Answer» D. 673 Hz

9.	How many RC stages are used in the RC phase shift oscillator?
A.	Six
B.	Two
C.	Four
D.	Three
Answer» E.

10.	What will be the phase shift of feedback circuit in RC phase shift oscillator?
A.	360<sup>o</sup> phase shift
B.	180<sup>o</sup> phase shift
C.	90<sup>o</sup> phase shift
D.	60<sup>o</sup> phase shift
Answer» C. 90<sup>o</sup> phase shift