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Question: Answered & Verified by Expert
In a transistor circuit shown here the base current is $35 \mu$. The value of the resistor $R_8$ is

PhysicsSemiconductorsJEE Main
Options:
  • A $123.5 \mathrm{k} \Omega$
  • B $257 \mathrm{k} \Omega$
  • C $380.05 \mathrm{k} \Omega$
  • D None of these
Solution:
1797 Upvotes Verified Answer
The correct answer is: $257 \mathrm{k} \Omega$
$V_b=i_b R_b \Rightarrow R_b=\frac{9}{35 \times 10^{-6}}=257 \mathrm{k} \Omega$.

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