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The upper cut off frequency of an RC coupled amplifier mainly depends upon : 

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  1. inter-electrode and stray shunt capacitances
  2. coupling capacitor
  3. emitter bypass capacitor
  4. output capacitance of signal source

Answer (Detailed Solution Below)

Option 1 : inter-electrode and stray shunt capacitances
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Detailed Solution

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The Upper cut off frequency of R-C coupled multistage Amplifier is

where  

  

Thus upper – cut off frequency depends on Inter-electrode and stray shunt capacitors

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