Переведите и определите тип условных предложений

(реальное, маловероятное, нереальное), а также определите, к

какому времени они относятся.

Should a permanent magnet be moved in and out of a coil of wire,

both the magnet and the coil would be used as a simple electric

generator.

It would have been impossible to launch space satellites and space

rockets provided we had not had the necessary polymeric materials

and synthetic fuels.

Were the temperature increased, the velocity of the molecular motion

would also be increased.

If you were asked: “How can electric charges be made to flow and

what factors influence their flow?” what would you answer?