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Physics 10 Online
OpenStudy (anonymous):

How to create zero electromagnetic field? please help me...

OpenStudy (anonymous):

You get a magnetic field whenever a current flows through a wire, you get an electromagnetic field whenever the current changes. Run a varing current into a wire of correct length

OpenStudy (anonymous):

u get zero E field when 2 two E fields of same magnitude and opposite direction meet at a point

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