Question

Q.10. Prove that the current density of a metallic conductor is directly proportional to the
drift speed of electrons. A current 4A flows through an automobile headlight. How many​

Answer 1

Answer:

Consider a conductor of length l and area of cross-section A having n electrons per unit length, as shown in the figure. If C is the charge of an electron, then total charge contained in the conductor

Explanation:

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