Hall Effect Multiple Choice Questions Answers


36. Hall voltage is zero when the semiconductor is


   A.Extrinsic

   B.Intrinsic

   C.'P' type

   D.None of the above


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A.Extrinsic

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37. In any specimen, the Hall voltage is proportional to


   A.(Current through specimen)2

   B.Current through specimen

   C.None of the above


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B.Current through specimen

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38. Hall effect can be used to measure


   A.Magnetic field intensity

   B.Electric field intensity

   C.Carrier concentration

   D.None of the above


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C.Carrier concentration

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39. In Hall effect, the output voltage produced across the crystal is due to


   A.Drop across the crystal is due to the current passed through it

   B.Induced voltage by the applied magnetic field

   C.Movement of charge carriers towards one end

   D.All of the above


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C.Movement of charge carriers towards one end

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40. Hall effect can be used to measure


   A.Magnetic field intensity

   B.Carrier concentration

   C.Both (a) and (b)

   D.Electric field intensity


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A.Magnetic field intensity

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