Circuits Revision

According to the rules for drawing circuit diagrams, how should all wires be drawn?

• Diagonally with a ruler

• Vertically or horizontally with a ruler

• In freehand style

• With different colors for each wire

Why should circuit diagrams be drawn with a pencil?

• To make them look professional

• To ensure they are permanent

• So you can add in any components afterwards

• Because it is easier than using a pen

What symbol represents a closed switch in an electrical circuit?

• A circle with a cross

• A short line with a circle at each end

• Two lines connected by a dot

• A rectangle

Which symbol is used to depict a lamp in circuit diagrams?

• A circle with a cross inside it

• A rectangle

• A circle with a letter V inside it

• A line with a circle in the middle

Identify the symbol that represents a resistor in a circuit diagram.

• A rectangle

• A circle with a cross

• A circle with a letter A

• Two lines connected by a dot

What does the symbol with a letter 'V' stand for in circuit diagrams?

• Ammeter

• Voltmeter

• Lamp

• Battery

Which of the following symbols represents an ammeter?

• A rectangle

• A circle with a letter V

• A circle with a letter A

• A circle with a cross

What type of circuit connection is shown between bulbs A and B in the diagram?

• Parallel

• Series

• Complex

• None of the above

Which bulbs are connected in parallel according to the diagram?

• Bulbs A and B

• Bulbs B and C

• Bulbs A and C

• None of the above

What is the definition of current in electrical terms?

• The rate of flow of water

• The rate of flow of electric charge

• The rate of flow of heat

• The rate of flow of air