NEW
Font size
WorksheetsElectronics Theory
Total questions: 26
Worksheet time: 26mins
What is the best answer for what this picture shows?
What is voltage is measured in?
Volts
Amps
Watts
Ohms
What kind of component is an LED?
Voltage supply
Conductor
Diode
Transistor
Resistance is measured in what?
Volts
Amps
Watts
Ohms
Holmes
If I have an open circuit will my LED light?
yes
no
It doesn't matter how you connect the LED in the circuit
True
False
What is this symbol
Variable resistor
Resistor
Load
Capacitor
What is this symbol?
Photo diode
Zener diode
LED
Diode
What is this symbol
Diode
photo diode
Zener diode
LED
The above picture represents,
A switch
A capacitor
A battery
A resistor
In which of the following circuit does the bulb light up?
The short leg of LED is connected towards
+5V
Ground
Resistor
Transistor
The picture shows an electrical circuit. This circuit is a series circuit because:
It has 3 light bulbs.
The same current flows through all three light bulbs.
It uses a single battery.
The electrical current has more than one path to flow through
A photoresistor is an electronic component whose electrical resistance ________________________________when it is exposed to light.
changes
increases
doesn't change
What is the component that this symbol represents?
ROCKER SWITCH
PUSH BUTTON SWITCH
RELAY SWITCH
DIODE
In a circuit, a button is used to...
Turn the flow of current on and off
Stop an LED from lighting up
Turn an LED on
None of these are correct
