Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 4 Physics topical questions and answers on electronics

When a germanium crystal is doped with arsenic, it becomes an N-type semiconductor. Explain how the change occurs. (number of electrons in the outermost shell for germanium=4, arsenic =5)

 (2m 53s)
574 Views     SHARE