The amount of feedback applied to an amplifier reduces the

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The amount of feedback applied to an amplifier reduces the gain by a factor of 10. The bandwidth:

1. decreases by a factor of 10
2. increases by a factor of 10
3. remains the same
4. None of these

Correct Option: B

Since the product of gain and bandwidth remains constant. Therefore if gain reduces by factor of 10, then surely bandwidth will increase by a factor of 10.