Voltage–Explanation,Production and Measurement

What is Voltage?

V = “Electrical pressure” - measured in volts.

pressure

A battery in an electrical circuit plays the same role as a pump in a water system.

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What Produces Voltage?

V = “Electrical pressure”

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Other Symbols Used for Specific Voltage Sources

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A Typical Voltage Source

Lab Power Supply

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Remember: A voltage is measured between two points


Measuring Voltages

We can measure voltage between

two points with a meter

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•Set the meter to read Voltage

• Connect the V of the meter to power supply red

• Connect COM (common) of the meter to power supply black

• Read the Voltage


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