engineering recuitment MPPKVVCL Line Attendant Mock Test 2025 Electronic Devices Bipolar Junction Transistor Current Components and Current Gain
निम्नलिखित में से कौन सा संबंध सही नहीं है?
1
\(\beta = \frac{\alpha}{1 - \alpha}\)
2
\(\alpha = \frac{\beta}{1 - \beta}\)
3
\(\alpha = \frac{\beta}{1 + \beta}\)
4
\(1-\alpha = \frac{1}{1 +\beta}\)