alleryStart learning →An electron hole is best described as:
Aa positively charged proton
Ba free conduction-band electron
Ca fixed donor ion in the lattice
Da vacancy in the valence band
Answer & Solution
Correct answer: D. a vacancy in the valence band
A hole is the vacancy left when an electron leaves the valence band, and it acts like a mobile positive carrier.
Keep practising Semiconductor Electronics
Browse all Semiconductor Electronics questions for Bihar Board Class 12 (Science), or explore more Physics topics.
Related questions
Connecting several gates in a latch circuit allows them to:The lag from a gate's input change to its output change is its:The maximum number of gate inputs one output can drive is the:By De Morgan's laws, a NAND gate equals an OR gate with:A NAND gate is the negation of which gate?Most logic gates today are made from:Logic gates are usually built using diodes or transistors acting as:Which pair of gates can each build every other gate on its own?