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Question 31619
JEE Physics · Hard

Current Electricity: Mobility MCQ

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

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MobilityHardQuestion 31619

Question

Mobility μ of charge carriers is defined as:
  1. A
    v_d/E
    Correct
  2. B
    E/v_d
  3. C
    I/E
  4. D
    σ/E

Correct answer

v_d/E

Explanation

Mobility μ = v_d/E (drift velocity per unit electric field). Unit: m²/(V·s). Related to conductivity: σ = neμ.

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