LG: to understand the basics of potential difference

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Presentation transcript:

LG: to understand the basics of potential difference Potential Difference: (Voltage) the difference in electric potential energy at two different points in the circuit -measured in Volts (V) LG: to understand the basics of potential difference

LG: to understand the basics of potential difference Waterfall Analogy LG: to understand the basics of potential difference

LG: to understand the basics of potential difference Waterfall Analogy -at the top water has high potential energy -at the bottom water has low potential energy -the energy turns the waterwheel LG: to understand the basics of potential difference

LG: to understand the basics of potential difference Waterfall Analogy -at the top water has high potential energy -at the bottom water has low potential energy -the energy turns the waterwheel -before entering a load, electron has high potential energy -after leaving a load, electron has low potential energy -the energy is turned into another form LG: to understand the basics of potential difference

LG: to understand the basics of potential difference Voltmeter: compares potential energy before and after a load (or source) -has to be placed in parallel with the load LG: to understand the basics of potential difference

LG: to understand the basics of potential difference What's the potential difference in the following situations? LG: to understand the basics of potential difference

LG: to understand the basics of potential difference What's the potential difference in the following situations? 1.5 V 1.5 V LG: to understand the basics of potential difference