State the principles of production of EM waves.
Kindly refer to the following link;l
https://www.meritnation.com/ask-answer/question/what-are-electromagnetic-waves-and-how-are-they-produced/physics/4016983
https://www.meritnation.com/ask-answer/question/what-are-electromagnetic-waves-and-how-are-they-produced/physics/4016983