How Electricity Works

Last updated over 5 years ago
11 questions
1

What feature of the atom is the foundation of electricity

1

Compare conductors and insulators

1

What 3 things are required for current to cause the LED light to light up?

1

What is voltage? What is the symbol and unit?

1

What is current? What is the symbol and unit?

1

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?

1

CURRENT passing through a coil causes a MAGNETIC FIELD.

1

Passing a MAGNETIC FIELD through a coil will induce a VOLTAGE and CURRENT.

1

A transformer will induce voltage into a second coil when DIRECT current is used.

1

What is a capacitor? What does it do?

1

Compare alternating and direct current.