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GATE ECE 2013 | Question: 46

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In the circuit shown below, the silicon $npn$ transistor $Q$ has a very high value of $\beta.$ The required value of $R_{2}$ in $k\Omega$ to produce $I_{C} = 1\: mA$ is

  1. $20$
  2. $30$
  3. $40$
  4. $50$ 

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