Discussion :: Electronic Devices and Circuits
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Assertion (A): In Hall effect the O.C. transverse voltage developed by a current carrying semiconductor with a steady magnetic field perpendicular to the current direction has opposite signs for n and p semiconductors.
Reason (R): The magnetic field pushes both holes and electrons in the same direction.
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A.
Both A and R are true and R is correct explanation of A
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B.
Both A and R are true but R is not a correct explanation of A
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C.
A is true but R is false
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D.
A is false but R is true
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Answer : Option A
Explanation :
Holes and electrons move in opposite directions. Therefore R is wrong.
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