Two identical p=- a junctions may be connected in seres in which a bettery in three ways , fig . The potential drops access the two p - n junction are equal in
A
circuit `1` and circuit`2`
B
circuit `2` and circuit`3`
C
circuit `3` and circuit`1`
D
circuit `1` only
Text Solution
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The correct Answer is:
B
Since and Alaminium are trivalent are in series , therefore the potential drop acros , be propotional will be equal , the potaltial will equal its circuit I , the two p -n junction are atteched such that the one is biased (low resistant) and after is reverse biased (high resistence ) whererase in the ather two circuit both are forward biased or reversed biased
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