Tunnel Diode
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PHYSICS
Semiconductor Physics
Tunnel Diode
Germanium tunnel diodes harness quantum tunneling to achieve ultra-fast electronic switching
24 Jan 2026
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What characteristic of the germanium tunnel diode allows it to exhibit negative resistance?
Thermal excitation of electrons over a wide bandgap
Classical conduction through a thick p-n junction
Quantum mechanical tunneling of electrons through a thin depletion region
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Quantum Electronics
Tunnel Diode
Tunnel diode harnesses quantum tunneling to achieve negative resistance in semiconductors
21 Jan 2026
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What causes the negative resistance region in the current-voltage characteristic of a tunnel diode?
Quantum mechanical tunneling of electrons through the p-n junction barrier
Thermal excitation of electrons over the potential barrier
Conventional conduction through the depletion region without tunneling
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FordMotor
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PHYSICS
Quantum Electronics
Tunnel Diode
Tunnel diode harnesses quantum tunneling to achieve negative resistance in semiconductors
21 Jan 2026
0
What unique electrical property of the tunnel diode is directly caused by quantum tunneling?
High forward voltage drop
Negative resistance
Zero current flow at all voltages
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