Voltage must be changed by a transformer, and the alternating current changed to direct current by diodes. Each step has a loss of energy.
nobody knows that answer but you don't see very many of them at car shows, most chargers you see are 69's.
It is very inefficient. The best and most expensive systems are only about 10% efficient.
They are very inefficient.
It is very old and very inefficient.
Most irrigation methods are inefficient because water often evaporates or seeps into the ground before it reaches the crops.
No, it is probably very inefficient.
Answering this question is an inefficient use of my time. -or- Because the young girl was so lazy, her system was at most inefficient, while at least detrimental to those around her.
Man
a sphere.
An incandescent light bulb is very inefficient light source because of the amount of heat energy wasted when it is energized.
The Solio hybrid chargers are very effective for charging cell phones. Once the battery is charged by the solar panels, it is capable of delivery 3 full charges to most smart phones.
Yes, but why? It would be a very inefficient way to get high.