1in pn diode d transitiion layer frm acceptor impurities to donor impurities wich is devoid of d free chrge carrires is calld
a)forbidden region
b)potential barrier
c)depletion region
d)resistive region
d delpletion region in pn junction diode , d acceptor ions in d p region and d donor ions in d n region give rise to
a)potential frm n to p
b|)potential frm p to n
c)xtraction of amjority charge carrires frm each region
d)injection of majority chrge carrires into each region
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12 Answers
113yaar ....actually its all factual .....read the theory frm ncert its all there
1a voltmetr is conncted accross a unbiased pn junction diode at room temp reads
a).7V for si diode n .3V for ge diode
b).3V for si " " .7V si diode
c)zero
d)none
