In a transistor configuration $\beta$-parameter is
  • A$\frac{l_b}{l_c}$
  • B$\frac{l_c}{l_b}$
  • C$\frac{l_c}{l_a}$
  • D$\frac{l_a}{l_c}$
[Orissa PMT 2004]
art

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