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JEE Mains · Physics · STD 12 - 14. Semicondutor electronics

एक उभयनिष्ठ उत्सर्जक प्रवर्धक का धारा लाभ \(69\) है। यदि उत्सर्जक धारा का मान \(7.0 \;mA\) हो तो संग्राहक धारा का मान \(\dots \;mA\) होगा

  1. A \(9.6\)
  2. B \(6.9\)
  3. C \(0.69\)
  4. D \(69\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(6.9\)

Step-by-step Solution

Detailed explanation

Given, current gain of \(CE\) amplifier \(\beta=69, \mathrm{I}_{\mathrm{E}}\) \(=7 \mathrm{mA}\) or \(\quad \frac{\mathrm{I}_{\mathrm{C}}}{\mathrm{I}_{\mathrm{B}}}=69\) We know that,…
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