Nyefee& Gbanwee

Kedu ihe bụ Relay&Switch?

Relay bụ mgba ọkụ akpaka na-ebute oghere ndọta mgbe nke ugbu a na-agafe na eriri igwe ya. Ebe ndọta a na-achịkwa mmechi ma ọ bụ mmeghe nke otu kọntaktị ma ọ bụ karịa, si otú a na-achịkwa mgbanyụ na gbanyụọ sekit ọzọ. Mgbanwe bụ ihe njikwa ọkụ eletrik ejiri aka ma ọ bụ na-arụ ọrụ na-akpaghị aka nke ejiri iji chịkwaa mgbanyụ na gbanyụọ sekit ozugbo.