electromagnetic waves are made up of electric field and magnetic field but in presence of electric and magnetic field they did not deviate in electrostatics and magnetism we do the vector some of all the possible electric field why not here?

DEAR VIKASH CHANDOA,

Electric and magnetic fields obey the properties of superposition so that a field due to any particular particle or time-varying electric or magnetic field will contribute to the fields present in the same space due to other causes: as they are vector fields, all magnetic and electric field vectors add together according to vector addition

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