They are connected in series positive (+) to negative (-) for greater voltage, or in parallel (+ to + and-to -) for greater current capacity. The individual cells inside a 9-volt battery. An everyday examples of a battery is the 9-volt transistor battery, which is six 1.5-volt cells in series.
Definition of Erie Canal. Definition: The Erie Canal was the nation's first Important transportation system connecting the Atlantic Ocean, via the Hudson River in Albany, eastern New York, with Lake Erie. The Erie Canal stretched for 363 miles providing the first waterway connecting the Great Lakes with the Atlantic Ocean.
Why the Revolutionary War was important. The American revolution embodied ideologies which had been held in the british system of government for years, if imperfectly practiced. The colonists had been allowed virtual self government for a century until the British government became more involved after the French and Indian war.