railway RRB JE (CBT I + CBT II) Mock Test 2024 Electronic Devices Junction Field Effect Transistor Pinch-Off and Saturation
For an n-channel silicon FET with a = 3 × 10-4 cm and ND = 1015 electron/cm3, what is the pinch - off voltage if the dielectric constant of silicon is ϵ = 12ϵ0 and \(\rm \epsilon_0 = \frac{1}{36 \pi} \times 10^{-9} \) ?
1
6.8 V
2
5.2 V
3
8.8 V
4
9.2 V