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If the doping levels of the semiconductor is increased, then the width of the depletion layer
Answer: b Explanation: Higher the doping, more the number of charge carrier available to neutralize the opposite charges on the junction.
Answer: b
See lessExplanation: Higher the doping, more the number of charge carrier available to
neutralize the opposite charges on the junction.
.In a Schottky diode, the silicon layer acts as a ____________
Answer: b Explanation: The metal acts as the anode and the semiconductor as a cathode.
Answer: b
See lessExplanation: The metal acts as the anode and the semiconductor as a cathode.
.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?
Answer: c Explanation: Zener diode is used as a voltage regulating device
Answer: c
See lessExplanation: Zener diode is used as a voltage regulating device
.Shown below is the diagram of an ideal super diode. When the input voltage Vin is positive, then the output voltage Vout = ?
Answer: b Explanation: Input is positive, hence it is amplified by the operational amplifier which switches the diode on. Current flows through the load & because of the feedback, the output voltage is equal to the input voltage.
Answer: b
See lessExplanation: Input is positive, hence it is amplified by the operational amplifier which
switches the diode on. Current flows through the load & because of the feedback, the
output voltage is equal to the input voltage.
Zener diodes allow a current to flow in the reverse direction, when the:-
Answer: 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
Answer: a
Explanation: Zener diode has voltage regulating property. When voltage reaches above
See lessa certain value (Zener voltage), current starts to flow in the reverse direction