What feature of the atom is the foundation of electricity
Compare conductors and insulators
What 3 things are required for current to cause the LED light to light up?
What is voltage? What is the symbol and unit?
What is current? What is the symbol and unit?
What is resistance? What is the symbol and unit? How does it change with the characteristics of the wire (resistivity, length, and area) and temperature?
CURRENT passing through a coil causes a MAGNETIC FIELD.
Passing a MAGNETIC FIELD through a coil will induce a VOLTAGE and CURRENT.
A transformer will induce voltage into a second coil when DIRECT current is used.
What is a capacitor? What does it do?
Compare alternating and direct current.