A printed circuit board, or PCB, is used to mechanically support and electrically connect electronic components using conductive pathways, tracks or signal.
Lect#5
1.When two different insulating materials are rubbed together they become electrically charged. 2.Negative charges (electrons) rub off one material onto.
10 IGCSE Science Mock Exam Paper 6 2014
Capacitor Training Duck River Electric Membership Corp. Doug Simpson.
