alleryStart learning →How many valence electrons do Group V dopant atoms have?
AFive
BThree
CFour
DSix
Answer & Solution
Correct answer: A. Five
Group V atoms have five valence electrons, one more than silicon needs for bonding, giving a free electron.
Keep practising Semiconductors
Browse all Semiconductors questions for MHT-CET, or explore more Physics topics.
Related questions
A p–n junction by itself, placed in a circuit, forms which device?Solar cells and LEDs are essentially what kind of device?Who elucidated the modern theory of p–n junctions in his work on electrons and holes?What happens to the depletion region width when the junction is reverse-biased?For forward bias, how is a p–n junction diode connected to the supply?What forms near the boundary when p-type and n-type crystals are joined?What happens to a diode's resistance at its breakdown voltage in reverse?Zener diodes can be used as what, owing to a precisely defined breakdown voltage?