Basic Op Amp Circuits – 49

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49. A Wien-bridge oscillator uses _________.

(a) positive feedback
(b) negative feedback
(c) both types of feedback
(d) an LC tank circuit

Answer

Answer : (c)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Basic Op Amp Circuits - 21
555555555521. An integrator circuit (a) uses a resistor in its feedback circuit. (b) uses an inductor in its feedback circuit. (c) uses a capacitor in its feedback circuit. (d) uses a resistor in its feedback circuit or uses a capacitor in its feedback circuit
Tags: circuit, feedback, basic, op, amp, circuits, electronics, engineering
Multivibrators - 17
Multivibrators » Exercise - 117. In a multivibrator, we have ............ feedback. (a) negative (b) 100 % positive (c) both positive and negative (d) none of the above
Tags: negative, positive, feedback, electronics, engineering
Oscillators - 54
5555555555 54. Sinusoidal oscillators operate with ________ feedback. (a) positive (b) negative (c) either positive or negative (d) neither positive nor negative
Tags: positive, negative, feedback, electronics, engineering
Basic Op Amp Circuits - 36
555555555536. The reference voltage for the comparator in the given circuit equals ______. (a) 0 V (b) +8.8 V (c) +16 V (d) +7.2 V
Tags: basic, op, amp, circuits, circuit, electronics, engineering
Oscillators - 16
Oscillators » Exercise - 116. Oscillators have : (a) No feedback (b) Negative feedback (c) Positive feedback (d) Either positive or negative feedback
Tags: feedback, negative, positive, electronics, engineering

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