# Worksheet: Circuit Symbols and Diagrams

Q1:

The diagram shows four circuit symbols. Which circuit symbol represents a battery?

• A(c)
• B(a)
• C(d)
• D(b)

Q2:

If the current through a point in a circuit is , then charge is passing through that point each second.

• Alower, more
• Bhigher, less
• Clower, no
• Dhigher, more

Q3:

The diagram shows two circuit symbols. Which one represents a fuse?

• ABoth
• B(b)
• CNeither
• D(a)

Q4:

The diagram shows the symbol for a component of an electrical circuit. What does this symbol represent?

• AA resistor
• BA battery
• CA voltmeter
• DA cell
• EAn LED

Q5:

The diagram shows the symbol for a component of an electrical circuit. What type of component does this symbol represent?

• AA resistor
• BA fuse
• CA variable resistor
• DA thermistor
• EA diode

Q6:

The diagram shows the symbol for a component of an electrical circuit. What type of component does this symbol represent?

• AA diode
• BA light-emitting diode (LED)
• CA filament lamp
• DA light-dependent resistor (LDR)
• EA battery

Q7:

The diagram shows the symbol for a component of an electrical circuit. What does this symbol represent?

• AA variable resistor
• BA fuse
• CA thermistor
• DA resistor
• EA battery

Q8:

The diagram shows the symbol for a component of an electrical circuit. What does this symbol represent?

• AA fuse
• BA closed switch
• CA resistor
• DAn open switch
• EA variable resistor

Q9:

The diagram shows an electrical circuit.

How many light-emitting diodes does the circuit contain?

How many thermistors does the circuit contain?

How many voltmeters does the circuit contain?

Q10:

The diagram shows four circuit symbols. Which symbol represents a variable resistor?

• A(b)
• B(a)
• C(d)
• D(c)

Q11:

The diagram shows an electrical circuit.

How many diodes does the circuit contain?

How many LDRs does the circuit contain?

How many voltmeters does the circuit contain?

How many ammeters does the circuit contain?

Q12:

The diagram shows four circuit symbols. Which circuit symbol represents a filament bulb?

• A(c)
• B(a)
• C(d)
• D(b)