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प्रश्न
The positive feedback is required by an amplifier to act an oscillator. The feedback here means ______.
पर्याय
External input is necessary to sustain ac signal in output.
A portion of the output power is returned back to the input.
Feedback can be achieved by LR network.
The base-collector junction must be forward biased.
MCQ
रिकाम्या जागा भरा
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उत्तर
The positive feedback is required by an amplifier to act an oscillator. The feedback here means A portion of the output power is returned back to the input.
Explanation:
Positive feedback occurs when a portion of the output is phase-locked with the input.
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Junction Transistor
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