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March of the Penguins DVD


Introduction

Flow of electrons in a conductor

Electric current

Electric potential difference

Pumping of charges

Direction of electric current

Electrical resistance

Ohm's law

Resistivity

Electrical circuit and water-flow analogy

Ohm's law and electric shock

Voltage Sources

Direct Current and Alternating Current

Electricity in the body

A Common Electrical Circuit

Heating of Electric Currents

Speed and source of Electrons in a Circuit
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