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JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES
1
Medium
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Understanding
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When a battery is connected to a -type semiconductor with a metallic wire, the current in the semiconductor (predominantly), inside the metallic wire and that inside the battery respectively is due to
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Correct option: A
Holes, electrons, ions
Option A (Holes, electrons, ions) is correct because in a P-type semiconductor, current is predominantly due to holes, in a metallic wire it's due to electrons, and inside a battery, it's due to ions.
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