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Zener diodes allow a current to flow in the reverse direction, when the
a Explanation: Zener diode has voltage regulating property. When voltage reaches above a certain value (Zener voltage), current starts to flow in the reverse direction.
a
See lessExplanation: Zener diode has voltage regulating property. When voltage reaches above a certain value (Zener voltage), current starts to flow in the reverse direction.
In a certain power electronics application, it is required that the voltage at the load terminals is to be kept within a certain range of voltages only. Among the device listed below, which would be the most ideal choice for this application?
c Explanation: Zener diode is used as a voltage regulating device.
c
See lessExplanation: Zener diode is used as a voltage regulating device.
In a certain power electronics application, it is required that the voltage at the load terminals is to be kept within a certain range of voltages only. Among the device listed below, which would be the most ideal choice for this application?
c Explanation: Zener diode is used as a voltage regulating device.
c
See lessExplanation: Zener diode is used as a voltage regulating device.
A Schottky diode can be switchd off much faster than an equivalent p-n junction diode due to its
b Explanation: Due to the metal-silicon junction there are no stored charges, hence no reverse recovery time due to which the switching is faster
b
See lessExplanation: Due to the metal-silicon junction there are no stored charges, hence no
reverse recovery time due to which the switching is faster
In a Schottky diode, the silcon is usually
a Explanation: Usually only n-type silicon is used because the p-type has certain limitations.
a
See lessExplanation: Usually only n-type silicon is used because the p-type has certain
limitations.
Which of the following are/is the majority charge carriers in a Schottky diode?
b Explanation: The metal has no holes hence major(almost full) current flows due to the electrons only.
b
See lessExplanation: The metal has no holes hence major(almost full) current flows due to the
electrons only.
A Schottky diode _____
b Explanation: Due to the metal-silicon junction there are no stored charges hence, no reverse recovery time, due to which the switching is faster.
b
See lessExplanation: Due to the metal-silicon junction there are no stored charges hence, no
reverse recovery time, due to which the switching is faster.
Which of the below mentioned statements is false regarding Schottky diodes?
c Explanation: The majority charge carriers in a Schottky diode are electrons not holes.
c
See lessExplanation: The majority charge carriers in a Schottky diode are electrons not holes.
Which of the following diodes uses a metal-semiconductor junction?
c Explanation: Schottky diode uses a Al-Semiconductor junction.
c
See lessExplanation: Schottky diode uses a Al-Semiconductor junction.
In order to reduce the reverse recovery time of the diodes, __________ is carried out
b Explanation: Platinum & gold doping improves the performance of the devices.
b
See lessExplanation: Platinum & gold doping improves the performance of the devices.