Refer to the given figure. You need an amplifier with an input impedance of 12 k. You must not change the amplifier voltage gain. The new value of Ri would be ________ and the new value of Rf would be ________.

Refer to the given figure. You need an amplifier with an input impedance of 12 k. You must not change the amplifier voltage gain. The new value of Ri would be ________ and the new value of Rf would be ________.
  • A. 10 k, 100 k
  • B. 13.3 k, 120 k
  • C. 12 k, 108 k
  • D. 12 k, 120 k
  • Correct Answer: Option D
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