परम निम्न ताप (0 K) पर, एक शुद्ध अर्धचालक (intrinsic semiconductor) किसकी भाँति व्यवहार करता है?

For an n-type semiconductor, the electron and hole concentrations ne and nh satisfy:

Which of the following elements is commonly used as a semiconductor in electronic devices?

In forward bias, the width of the depletion layer in a p-n junction diode: