4. A partir del siguiente grafico de una onda de amplitud 4m, 60Hz, que recorre 30 m en 15 seg, obtener sus elementos temporales y espaciales: (6 ptos) con procedimiento por favor.

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation:

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.