Circuit Symbols Quiz Results
Nearly 7000 readers took our quiz!Electronic circuit symbols are used for drawing schematic diagrams. The symbols below represent electrical and electronic components. Here are the answers to our circuit symbol quiz.
SPDT Switch

This symbol represents a Single Pole Double Throw (SPDT) switch, which selects between two connections in a circuit. A switch breaks, interrupts, or diverts the current from one conductor to another.
This breaks, interrupts, or diverts the current from one conductor to another.
Answer Options | ||
SPDT Toggle Switch Non-connected wires Resistor Voltmeter |
0.6% 0.2% 0.3% |
42 16 17 |
POT

A potentiometer is an adjustable resistor with three terminals in a circuit drawing. A "pot" provides a variable resistance.
A simple knob that provides a variable resistance.
Answer Options | ||
Bipolar Transistor Zener Diode Potentiometer Volume Switch |
0.8% 95.6% 2.3% |
53 6629 157 |
Photodiode

This symbol represents a photodiode, which allows current flow only when exposed to light. It converts visible electromagnetic radiation (light) into either current or voltage.
Converts visible electromagnetic radiation into either current or voltage.
Answer Options | ||
Photodiode Light Emitting Diode Polarized Capacitor Buzzer |
12.4% 0.9% 0.1% |
856 62 6 |
MOSFET

A MOSFET transistor is used to amplify and switch electronic signals and power. It uses an electric field to control the flow of electrons and shapes the conductivity of a channel. MOSFET = metal-oxide-semiconductor field-effect transistor
Uses an electric field to control the flow of electrons and shapes the conductivity of a channel. Pay close attention to this symbol!
Answer Options | ||
MOSFET Transistor Bipolar Transistor AC Voltage Source Variable Inductor |
9% 0.6% 2.2% |
619 42 152 |
Thanks to everyone for participating!
Here are some useful sites with more information on circuit symbols:
The Electronics Club
RapidTables.com
Wikipedia Circuit Symbols
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