Capacitor is a device that is used to store an electric charge. It stores a charge in the form of an electrostatic field. An ultracapacitor is also known as a supercapacitor or double-layer capacitor. An...

Mechanical Engineering is a branch of engineering involving the design, construction and operation of machinery. On the other hand, Automotive Engineering specifically deals with the construction and design of...

Both, above and over, are prepositions used in the context of something to be placed over something else. The key difference is to know, when and how they should be used.

Wikipedia is an online internet encyclopedia site by Wikimedia foundation, while, Wikimedia is a big online foundation which runs various different site and projects.

Above is defined as the preposition indicating height, by on top of or higher than. Up is defined as a proposition indicating movement from lower position to higher position.