Electric Potential Difference. What is Electric Potential Difference? The unit of EPD is the Volt (V) Commonly known as voltage! Voltage is Energy.

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Presentation transcript:

Electric Potential Difference

What is Electric Potential Difference? The unit of EPD is the Volt (V) Commonly known as voltage! Voltage is Energy

A source gives energy to electrons ▫Called an electric potential rise A load removes energy from electrons ▫Called an electric potential drop Any change in energy (rise or drop) ▫We call an electric potential difference

Voltage Video

Measuring Electric Potential Difference We use a voltmeter Always connect a voltmeter in parallel Measures the difference between energy at the two points

Work Pg 326 # 1, 2 Pg 327 # 1, 4, 5