JEE Mains · Physics · STD 12 - 14. Semicondutor electronics
The ratio \((R)\) of output resistance \(r_0\), and the input resistance \(r_i\) in measurements of input and output characteristics of a transistor is typically in the range
- A \(R \approx {10^2} - {10^3}\)
- B \(R \approx 1 - 10\)
- C \(R \approx 0.1 - 1.0\)
- D \(R \approx 0.1 - 0.01\)
Answer & Solution
Correct Answer
(C) \(R \approx 0.1 - 1.0\)
Step-by-step Solution
Detailed explanation
For \(C.B.\) configuration \(\frac{{{r}_{i}}}{{{r}_{0}}}\,\cong \,0.1\,\,\Omega \) For \(CE\) and \(CC\) configuration \(\frac{{{r}_{i}}}{{{r}_{0}}}\,\approx \,1\,\,\Omega \)
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