1.what does the term closed circuit mean? 2.why does the current flow when the circuit is closed?

Question

Английский язык: 1.what does the term closed circuit mean? 2.why does the current flow when the circuit is closed?

titovazaiceva · Answer

1.A closed body system in mechanics is a set of physical bodies that have no interaction with external bodies....

1.what does the term "closed circuit" mean? 2.why does the current flow when the circuit is closed?