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A triode valve which is acting as an amplifier gives a voltage gain of 30. If anode resistance is 20 K ? for valve and load resistance is 60 K ?, what is value of amplification factor for valve?
Ans:
Given data;
Voltage gain (A) = 30
Anode or Plate resistance (rp) = 20 K ?
Load resistance (RL) = 60 K ?
Formula to be used is
Amplification Factor (µ) = 39.999
why we can''t reduce the range of AN AMMETER ?
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