<prompt> Umusho 1: Lapho e kuyikhwalithi yamagnetic yezinhlayiya futhi A amandla kagesi we-vector we-electromagnetic field. Umusho 2: Lapho e kuyikhwalithi kagesi yezinhlayiya kanti u-A uyikhwalithi ye-magnetic vector yensimu ye-electromagnetic. Umbuzo: Ingabe umusho 1 nomusho 2 usho into efanayo? Yebo noma Cha?  <response>: Cha, akunjalo. 