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WorksheetsElectronic Components
Total questions: 23
Worksheet time: 4mins
A small component that lights up when current flows through it.
resistor
capacitor
circuit
light-emitting diode
Select the correct symbol for a battery.
In the Ohm’s law triangle, you get that Resistance equals .... divided by current.
volume
voltage
value
valve
The name of this component:
resistor
LED
photocell
source
The image is the symbol for a:
LED
resistor
diode
conductor
The image is a symbol for a:
diode
LED
source
photocell
The function of a resistor is to:
is to allow an electric current to pass in one direction
perform the function of a switch
limit and/or control the voltage and current in an electronic circuit
store electrical charge
Which electronic component emits sound when current flows through it
LED
Thermistor
Light Dependent Resistor
Buzzer
What is this?
A blue button
A potentiometer
An LED
A push button
The symbol of electrolytic capacitor
The symbol for inductors
What does it symbolizes?
...... is like a switch that is controlled by an electrical signal.
transistor
capacitor
resistor
inductor
A transistor has three pins named base, collector, and ...?
emitter
transistor
transmitter
Which electronic components can be polarized and non-polarized?
resistors
inductors
capacitors
transformers
Sometimes you use this component for simple tasks like indicating that your circuit has power,
that the circuit is working or that the circuit has failed.
battery
resistor
capacitor
LED
The name of this component:
resistor
capacitor
photocell
transistor
The name of this component:
diode
555 timer
resistor
transistor
The following is a symbol for a:
resistor
diode
transistor
potentiometer
The function of this component is to:
vary the amount of resistance
hold electrical charge
allow current to pass in only one way
act as an electrical switch
The function of this component is to:
store electrical charge
create various kinds of time delays in a circuit
act as a variable resistor
indicate the presence of current
