engineering recuitment NCRTC Junior Engineer Mock Test Series 2025 Electronic Devices Carriers in Semiconductors Characteristic of Extrinsic Semiconductor At Different Temperature
A silicon wafer is uniformly doped p-type with acceptor impurity NA = 1015 per cm3. At T ≅ 0°K what is the equilibrium electron concentration?
1
1015 / cm3
2
105 / cm3
3
1010 / cm3
4
≅ 0