10 Questions
What is the correct symbol for an AC supply?
AC
Which device is used to measure current?
Ammeter
What does an LED stand for?
Light Emitting Diode
What does a reed switch do?
Closes and completes the circuit when a magnet passes over
What does an LDR stand for?
Light Dependent Resistor
What type of resistor has a resistance that increases as the temperature rises?
Thermistor
Which electronic device latches and allows a large current to flow between the Anode and Cathode when a small current is registered at the Gate?
Thyristor
Which type of switch will return to its OFF position when the button is released, like a doorbell?
Push to Make
What type of resistor is designed as an adjustable resistor?
Variable resistor
Which type of switch is activated by flipping a lever to make or break the connection?
Toggle Switch
Study Notes
Electronics Basics
- The symbol for AC (Alternating Current) supply is ~
- An ammeter is used to measure current
- LED stands for Light Emitting Diode
- A reed switch is an electromagnetic switch that is operated by a magnetic field, typically used to turn a circuit on or off
- LDR stands for Light Dependent Resistor, a type of resistor that changes its resistance in response to changes in light levels
- A thermistor is a type of resistor whose resistance increases as the temperature rises
- A thyristor is an electronic device that latches and allows a large current to flow between the Anode and Cathode when a small current is registered at the Gate
- A momentary push-button switch is a type of switch that returns to its OFF position when the button is released, like a doorbell
- A potentiometer is a type of resistor designed as an adjustable resistor
- A toggle switch is a type of switch that is activated by flipping a lever to make or break the connection
Test your knowledge on electrical symbols with this multiple choice quiz containing 15 questions on symbols like AC supply, ammeter, battery, bulb, buzzer, and diode. Identify the correct symbol for each component.
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