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The source of time varying magnetic field may be (A) a permanent magnet (B) an electric field changing linearly with time (C) direct current (D) a decelerating charge particle (E) an antenna fed with a digital signal Choose the correct answer from the options given below.

1. (C) and (E) only
2. (D) only
3. (A) only
4. (B) and (D) only

Correct answer: (D) only

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