The amplification factor of a triode is $18$ and its plate resistance is $8 \times 10^{3} \ \Omega$. $A$ load resistance of $10^{4} \ \Omega$ is connected in the plate circuit. The voltage gain will be

  • A
    $30$
  • B
    $20$
  • C
    $10$
  • D
    $1$

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