Question

An electromagnetic field exists only when there is

A

an increasing current

B

decreasing current

C

voltage

D

current

Easy
Updated on : 2022-09-05
Solution
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Correct option is D)

An electromagnetic field exists only when there is current. 
electric current flowing through a wire caused a nearby compass to deflect. ... In most conductors, the magnetic field exists only as long as the current is flowing (i.e. an electrical charge is in motion).

Solve any question of Electromagnetic Induction with:-
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