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Physics · JEE | Current Electricity

हिन्दी

Given below are two statements:\n Statement I: The drift velocity of electrons in a metal conductor is extremely small (of the order of \( 10^{-3} \text{ m/s} \)), yet electric current is established almost instantly across a circuit.\n Statement II: The electric field is established throughout the circuit with the speed of electromagnetic waves, causing local electrons everywhere to drift simultaneously. \nIn the light of the above statements, choose the most appropriate answer from the options given below:

  1. A
    Both Statement I and Statement II are correct.
  2. B
    Both Statement I and Statement II are incorrect.
  3. C
    Statement I is correct but Statement II is incorrect.
  4. D
    Statement I is incorrect but Statement II is correct.
View Answer & Solution

Correct answer · Option A

Both Statement I and Statement II are correct.

Explanation

Both statements are correct and explain why current flows instantaneously despite slow electron drift speed.
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