How Electricity Works

Last updated over 5 years ago

11 questions

How Electricity Works

Last updated over 5 years ago

11 questions

Question 1

What feature of the atom is the foundation of electricity

Protons

Neutrons

Nucleus

Electrons

Electron shell

Valence electrons

Question 2

Compare conductors and insulators

Question 3

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

Closed loop

Open loop

Voltage (battery, energy source)

Conductor (wires, metal)

Insulator

Multimeter

Question 4

What is voltage? What is the symbol and unit?

Question 5

What is current? What is the symbol and unit?

Question 6

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?

Question 7

CURRENT passing through a coil causes a MAGNETIC FIELD.

True

False

Question 8

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

True

False

Question 9

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

True

False

Question 10

10.

What is a capacitor? What does it do?

Question 11

11.

Compare alternating and direct current.