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Two material bars A and B …

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Two material bars A and B of equal area of cross-section, are connected in series to a DC supply. A is made of usual resistance wire and B of an n-type semiconductor. a. In which bar is drift speed of free electrons greater? b. If the same constant current continues to flow for a long time, how will the voltage drop across A and B be affected? Justify each answer.

Posted by Aakash Kumar 7 years ago

CBSE > Class 12 > Physics

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