JEE Physics ยท Easy

Magnetism: Hall Effect MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Hall EffectEasyQuestion 20184

Question

The Hall effect is used to determine:
  1. A
    Resistance of conductors
  2. B
    Type of charge carriers and carrier density
    Correct
  3. C
    Capacitance of a material
  4. D
    Refractive index

Correct answer

Type of charge carriers and carrier density

Explanation

The polarity of the Hall voltage reveals whether carriers are positive or negative. Hall voltage VH = IB/(ned) determines carrier density n.