ELECTROMOTIVE FORCE• difference in electric potential, or voltage, between the terminals of a source of electricity • Source of electromotive force: generator or battery... OPPOSITION
Trang 1ELECTRIC CURRENT –
ELECTROMOTIVE FORCE – POTENTIAL DIFFERENCE – CONDUCTOR & INSULATOR – OHM’S LAW
Trang 2CONDUCTOR & INSULATOR
Trang 4POTENTIAL DIFFERENCE
Trang 7ELECTRIC CURRENT
Trang 11ELECTROMOTIVE FORCE
• difference in electric potential, or
voltage, between the terminals of a source of electricity
• Source of electromotive force:
generator or battery
Trang 13OPPOSITION TO ELECTRIC CURRENT
Trang 15THE RESISTANCE BETWEEN OPPOSITE FACES
OF THIS SAMPLE CUBE