Ch.8.2

Question 1

We use symbols to represent __________________ ________________________. These symbols are called ____________________ ____________________.

Answer 1

circuit components, circuit symbols

Question 2

With ____________________ ____________________ and straight lines (representing ____________________ ____________________), we can draw a ____________________ ____________________ to represent an actual circuit.

Answer 2

circuit symbols, connecting wires, circuit diagram

Question 3

What are the two benefits of using a circuit diagram?

Answer 3

They can help us show a circuit clearly and communicate with one another clearly.

Question 4

What is the circuit symbol for an electric cell? ( - +)

Answer 4

—▮|—

Question 5

What is the circuit symbol for a switch?

Answer 5

—◦ ∖◦— (open)

—◦—◦— (closed)

Question 6

What is the circuit symbol for a light bulb?

Answer 6

—∩⃝—

Question 7

What is the circuit symbol for an ammeter?

Answer 7

—A⃝—

Question 8

What is the circuit symbol for a voltmeter?

Answer 8

—V⃝—

Question 9

What is the circuit symbol for a resistor?

Answer 9

—⊏⊐—

Question 10

What is the circuit component for a rheostat?

Answer 10

—⊏➚⊐—

Question 11

What is the circuit component for a junction?

Answer 11

—•—

　|

Question 12

What is the circuit symbol for a fuse?

Answer 12

—⊏̶⊐̶—