Worksheet: Circuit Symbols and Diagrams

In this worksheet, we will practice identifying basic circuit symbols and identifying equivalent circuits.

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, more
  • Clower, no
  • Dhigher, less

Q3:

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

  • A(b)
  • BNeither
  • C(a)
  • DBoth

Q4:

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

  • AAn LED
  • BA battery
  • CA voltmeter
  • DA resistor
  • EA cell

Q5:

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

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

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 light-dependent resistor (LDR)
  • DA filament lamp
  • EA battery

Q7:

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

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

Q8:

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

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

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(d)
  • B(c)
  • C(a)
  • D(b)

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(b)
  • C(a)
  • D(d)

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