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.To make a signal diode suitable for high current & high voltage carrying applications with minimum losses, ________ a) a lightly doped n layer is grown between the two p & n layers b) a heavily doped n layer is grown between the two p & n layers c) a lightly doped p layer is grown between the two p & n layers d) a heavily doped p layer is grown between the two p & n layers
Answer a
Answer a
See less.Which of the following is true in case of a forward biased p-n junction diode? a) The positive terminal of the battery sucks electrons from the p-region b) The positive terminal of the battery injects electrons into the p-region c) The negative terminal of the battery sucks electrons from the p-region d) None of the above mentioned statements are true
Answer: a
Answer: a
See lessWhich of the following is true in case of an unbiased p-n junction diode? a) Diffusion does not take place b) Diffusion of electrons & holes goes on infinitely c) There is zero electrical potential across the junctions d) Charges establish an electric field across the junctions
Answer: d
Answer: d
See lessWhen a physical contact between a p-region & n-region is established which of the following is most likely to take place? a) Electrons from N-region diffuse to P-region b) Holes from P-region diffuse to N-region c) Both of the above mentioned statements are true d) Nothing will happen
Answer: c
Answer: c
See lessLets assume that the doping density in the p-region is 10-9 cm-3 & in the n-region is 10-17cm-3 , as such the p-n junction so formed would be termed as a a) p– n– b) p+ n– c) p– n+ d) p+ n+
Answer: b
Answer: b
See lessn the p & n regions of the p-n junction the _________ & the ___________ are the minority charge carriers respectively. a) holes, holes b) electrons, electrons c) holes, electrons d) electrons, holes
Answer: d
Answer: d
See lessWhich of the below mentioned statements is false regarding a p-n junction diode? a) Diode are uncontrolled devices b) Diodes are rectifying devices c) Diodes are unidirectional devices d) Diodes have three terminals
Answer: d
Answer: d
See lessThe n-region has a greater concentration of _________ as compared to the p- region in a P-N junction diode. a) holes b) electrons c) both holes & electrons d) phonons
Answer: b
Answer: b
See lessIn the p & n regions of the p-n junction the _________ & the ___________ are the majority charge carriers respectively. a) holes, holes b) electrons, electrons c) holes, electrons d) electrons, holes
Answer: c
Answer: c
See lessIn the p & n regions of the p-n junction the _________ & the ___________ are the majority charge carriers respectively. a) holes, holes b) electrons, electrons c) holes, electrons d) electrons, holes
nswer: c Explanation: Holes are the majority charge carriers in p-type material & vice-versa
nswer: c
See lessExplanation: Holes are the majority charge carriers in p-type material & vice-versa