Compare a point contact diode with a p-n junction.

Q: +3vo N +2vo N +1 Vo N (e) 1 ΚΩ www +3vo K +2vo K +iva K +5V ΓΚΩ (f) www ll

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Q: A p-n heterojunction is formed though Semiconductor A intimately contacting with Semiconductor B.…

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Q: Are there more electrons at the bottom or in the middle of the conduction band of a semiconductor?

A: As we know that the charges at the top of the band have highly energy and in the bottom electron…

Q: In the following diagram, is the junction diode forward biased or reverse biased? (All India 2017]…

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Q: Why the conductivity of metals increase with decrease in temperature, but conductivity of…

A: The conductivity of metals is defined by  sigma=nqm wheren= charge carrier density q=charge of the…

Q: What is a point contact diode?

A: The point contact diode is made off by contacting a metallic wire with an N-type semiconductor to…

Q: Explain Avalanche breakdown mechanism responsible for breakdown in p-n junction diode.

A: Avalanche breakdown occurs in a pn junction diode when it is moderately doped and when its depletion…

Q: (c) Draw diagrams showing how a semiconductor diode functions.

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Q: How can one use a diode to rectify alternating current?

A: Rectifiers are electrical devices which contain one or more diodes to allow the flow of current only…

Q: What is the difference between an ordinary p-n junction diode and a zener diode?

A: The PN junction is a semiconductor diode with some depletion region. In case of Zener diode, the…