68. A negative voltage feedback amplifier has voltage gain without feedback, A, = 1000 and feedback fraction m=0.01. If the lower cutt-off frequency f₁ = 1.5 kHz and upper cut-off frequency f₂ = 501.5 kHz before feedback, what is the value of lower cutt- off frequency after negative feedback? (1) 1.5 kHz (ii) 272.8 Hz (iii) 136.4 Hz (iv) 3 kHz 69. In Q 68, what is the value of upper cut-off frequency after negative feedback? (1) 501.5 kHz (iii) 2006 kHz (ii) 1003 kHz (iv) 5.52 MHz

68. A negative voltage feedback amplifier has voltage gain without feedback, A, = 1000 and feedback fraction m=0.01. If the lower cutt-off frequency f₁ = 1.5 kHz and upper cut-off frequency f₂ = 501.5 kHz before feedback, what is the value of lower cutt- off frequency after negative feedback? (1) 1.5 kHz (ii) 272.8 Hz (iii) 136.4 Hz (iv) 3 kHz 69. In Q 68, what is the value of upper cut-off frequency after negative feedback? (1) 501.5 kHz (iii) 2006 kHz (ii) 1003 kHz (iv) 5.52 MHz

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Similar questions

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