Chapter 22 and 23

Question 1

The charge is represented by

Answer 1

q

Question 2

What type of materials has electrons that easily move in the material

Answer 2

Conductors

Question 3

Electrical potential is measured in ____

Answer 3

Volts

Question 4

What flows when there is a potential difference (V)

Answer 4

Charge

Question 5

Electric ____ is simply the flow of electric charge and is measured in

Answer 5

Currents
Amperes

Question 6

Electric ____ is the resistance of the charge to flow and its units are

Answer 6

Resistance
Ohms

Question 7

Ohm’s law can be written as

Answer 7

V = I R

Question 8

What is the voltage of an electrical circuit that has resistance of 2 Ohms and a current of 3 Amps

Answer 8

V = I R
V = 2 (3)
V = 6

Question 9

Water is a good ____ of electricity

Answer 9

conductor

Question 10

A _____ is any path along which electrons can flow

Answer 10

Circuit

Question 11

What is the resistance in a circuit that has two 20 ohm resistors in series

Answer 11

20 + 20
40 ohms

Question 12

What is the resistance in a circuit that has two 20 ohm resistors in parallel

Answer 12

1/20 + 1/20
2/20 = 20/2 = 10 ohms