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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
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:
(B) and (D) only
(C) and (E) only
(D) only
(A) only
Answers (1)
Accelerated charge particle produces EMW which has time varying E and B.
If E is linear function of time then B will be constant.
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