An electric field vec E and a magnetic field vec B exist in a region. The fields are not perpendicular to each other.

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KollegeApply · Accepted Answer

An electromagnetic wave may be passing through the region. For an electromagnetic wave,electric field ,magnetic field and direction of propagation are mutually perpendicular to each other.We can have a region in which electric and magnetic fields are applied at an angle with each other.In transmission lines Different modes exist. In transverse electric (TE) mode-no electric field exist in the direction of propagation. These are sometimes called H modes because there is only a magnetic field along the direction of propagation (H is the conventional symbol for magnetic field).

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