The plate resistance of a triode is $2.5 \times 10^{4} \ \Omega$ and mutual conductance is $2 \times 10^{-3} \ \text{mho}$. What will be the value of the amplification factor?

  • A
    $50$
  • B
    $1.25 \times 10^7$
  • C
    $75$
  • D
    $2.25 \times 10^7$

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