F2 - SEM1 - Circuit - 8.1 Simple Circuit

Question 1

Draw circuit symbol

1 connecting wine / connector
2 connecting wines / connectors

8.1 Simple Circuit

Answer 1

8.1 Simple Circuit

Question 2

Draw circuit symbol

1 cell / battery
3 cells / batteries

8.1 Simple Circuit

Answer 2

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Question 3

Draw circuit symbol

Switch

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Answer 3

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Question 4

Draw circuit symbol

Bulb

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Answer 4

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Question 5

Fill in the blanks

In order for a circuit to work, ____________________ have to go through the circuit and the circuit need to be a _________________

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Answer 5

Electrical energy , closed circuit

8.1 Simple Circuit

Question 6

Draw the circuit

8.1 Simple Circuit

Answer 6

8.1 Simple Circuit

Question 7

Draw the circuit

8.1 Simple Circuit

Answer 7

8.1 Simple Circuit

Question 8

Draw the circuit

8.1 Simple Circuit

Answer 8

8.1 Simple Circuit

Question 9

What is necessary for an electrical appliance to work?

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Answer 9

1. A complete path
2. A source of electrical energy (e.g. cells)

8.1 Simple Circuit

Question 10

How do we get electrical energy when we are at home?

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Answer 10

From wall sockets -> connect to power station by power cable

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Question 11

What is a closed circuit?

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Answer 11

Circuit forms a complete path

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Question 12

What is the function of an electric circuit?

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Answer 12

Electrical energy —— transfer ——> electrical appliance

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Question 13

How do we call an incomplete circuit?

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Answer 13

Open circuit

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Question 14

How do we call materials that do not conduct electricity?

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Answer 14

Electrical insulators

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Question 15

How do we call materials that conduct electricity?

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Answer 15

Electrical conductors

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Question 16

Determine whether each of the material below is an electrical conductor or insulator

Plastics
Metal
Cotton
Wood
Salt solution

8.1 Simple Circuit

Answer 16

Electrical conductors: Metal, Salt solution
Electrical insulators: Plastic, Cotton, Wood

8.1 Simple Circuit

Question 17

What is the function of a switch?

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Answer 17

Open and close an electric circuit

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Question 18

How does the switch work?

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Answer 18

The switch is closed =>
The conducting parts of the switch touch each other =>
The circuit becomes closed.

8.1 Simple Circuit

Question 19

What is the difference between circuit components and circuit symbols?

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Answer 19

Circuit symbols are being used to represent circuit components in circuit diagram.

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Question 20

What is the function of circuit diagrams?

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Answer 20

Show how the circuit components are connected

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Question 21

True or False?

When the switch in the circuit is closed, the circuit becomes closed

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Answer 21

True

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Question 22

True or False?

The copper wine is a conductor.

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Answer 22

True

8.1 Simple Circuit

Question 23

True or False?

If the copper wire is replaced with a cotton thread, the bulb will still light up when the switch is closed.

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Answer 23

False
Cotton thread is an electrical insulator

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