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Physics · JEE | Electromagnetic Waves

हिन्दी

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).\n Assertion (A): Stationary charges cannot be sources of electromagnetic waves.\n Reason (R): A stationary charge produces only a time-independent electric field and no magnetic field. \nIn the light of the above statements, choose the correct answer from the options given below:

  1. A
    Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. B
    Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
  3. C
    (A) is true but (R) is false.
  4. D
    (A) is false but (R) is true.
View Answer & Solution

Correct answer · Option A

Both (A) and (R) are true and (R) is the correct explanation of (A).

Explanation

Stationary charges produce only electrostatic fields, which do not vary with time and thus cannot generate time-varying magnetic fields required for electromagnetic waves.
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