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:
Option 1 -
External input is necessary to sustain ac signal in output.
Option 2 -
A portion of the output power is returned back to the input.
Option 3 -
Feedback can be achieved by LR network.
Option 4 -
The base-collector junction must be forward biased.
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1 Answer
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Correct Option - 2
Detailed Solution:A portion of the output power is returned back to the input.
Similar Questions for you
d = 5 cm
Power gain =
=
= 2 × 104 = x × 104
= 2
Voltage gain =
= 200
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