Which risk increases when electrons exceed the drift velocity within a semiconductor?

💡 Explanation

Thermal runaway occurs due to increased current density leading to enhanced Joule heating, if electron drift velocity is excessive. Impact ionization is magnified because of this, resulting in further electron-hole pair generation; therefore, runaway is the answer rather than merely scattering or piezoelectricity.

• Which consequence occurs when lubricating oil viscosity increases in an engine?
• Which phenomenon limits the usable bandwidth in long-distance optical fiber communication?
• Which outcome occurs when solid oxide fuel cell (SOFC) operating temperature decreases reducing oxygen ion mobility?
• Which outcome occurs when sodium chloride production lacks moisture control?
• Which outcome results in a flash memory cell when Fowler-Nordheim tunneling is suppressed?
• Which consequence results when imperfections create phase shifts within integrated optical waveguides?