Physics · 2022
JEE Main · 26 June 2022, Shift 2 · Q49
The positive feedback is required by an amplifier to act an oscillator. The feedback here means:
The positive feedback is required by an amplifier to act an oscillator. The feedback here means :
Official answer
(2)
A portion of the output power is returned back to the input.
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.