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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:
 

Option: 1

(B) and (D) only


Option: 2

(C) and (E) only


Option: 3

(D) only

 


Option: 4

(A) only


Answers (1)

best_answer

Accelerated charge particle produces EMW which has time varying E and B.
If E is linear function of time then B will be constant.

Posted by

mansi

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