Electronics Schematic Symbols

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R for resistor schematic symbols

The schematic letter symbol for resistors includes what letter plus an identifying number?

Measure very low resistances

This circuit is known as a Wheatstone Bridge. What is it used to determine?

Ammeter

What circuit component does this schematic symbol represent?

Battery

What circuit component does this schematic symbol represent?

Capacitor

What circuit component does this schematic symbol represent?

Chassis Ground

What circuit component does this schematic symbol represent?

DPDT Switch

What circuit component does this schematic symbol represent?

DPST Switch

What circuit component does this schematic symbol represent?

Earth Ground

What circuit component does this schematic symbol represent?

LED

What circuit component does this schematic symbol represent?

Lamp

What circuit component does this schematic symbol represent?

NPN Transistor

What circuit component does this schematic symbol represent?

Ohmeter

What circuit component does this schematic symbol represent?

PBNO Switch

What circuit component does this schematic symbol represent?

PNP Transistor

What circuit component does this schematic symbol represent?

Resistor

What circuit component does this schematic symbol represent?

Rheostat

What circuit component does this schematic symbol represent?

SPST Switch

What circuit component does this schematic symbol represent?

Voltmeter

What circuit component does this schematic symbol represent?

conductor

What circuit component does this schematic symbol represent?

conductors connected

What circuit component does this schematic symbol represent?

diode

What circuit component does this schematic symbol represent?

fuse

What circuit component does this schematic symbol represent?

Emitter, Base, Collector

What do the letters E, B & C on a transistor represent?

Ω

What is the symbol or abbreviation for ohms?

Schematic

Which diagram is a graphic representation of an electrical circuit using standard symbols for parts?

R for fixed resistors

A fixed resistor is labeled on a schematic diagram with the letter:

R for potentiometers

A potentiometer is labeled on a schematic diagram with the letter:

3

How many terminals does a potentiometer have?

2

How many terminals does a rheostat have?


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