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184_notes:charge [2018/05/24 13:10] – dmcpadden | 184_notes:charge [2021/01/20 15:36] – [Electric Interaction] bartonmo | ||
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Section 3.1 and 3.7 in Matter and Interactions (4th edition) | Section 3.1 and 3.7 in Matter and Interactions (4th edition) | ||
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===== Electric Interaction ===== | ===== Electric Interaction ===== | ||
- | The electric interaction is one of the [[http:// | + | The electric interaction is one of the [[http:// |
==== Electric Charge ==== | ==== Electric Charge ==== | ||
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1 C of charge is a LARGE amount of charge. For comparison, 1 electron has a charge of $-1.602 \cdot 10^{-19} C$. When you rub a balloon on your hair, the balloon has a charge of about $1 \cdot 10^{-7} C$. A typical lightning bolt represents a transfer of about 15 C of charge (though the large bolts can be up to 350 C). | 1 C of charge is a LARGE amount of charge. For comparison, 1 electron has a charge of $-1.602 \cdot 10^{-19} C$. When you rub a balloon on your hair, the balloon has a charge of about $1 \cdot 10^{-7} C$. A typical lightning bolt represents a transfer of about 15 C of charge (though the large bolts can be up to 350 C). | ||
- | You may also see an amount of charge written in terms of the elementary charge (e), where $1 e = -1.602 \cdot 10^{-19} C$. This is typically used for very small amounts of charge. In essence, this is how many electrons would it take to make that amount of charge. | + | You may also see an amount of charge written in terms of the elementary charge (e), where $|1 e| = 1.602 \cdot 10^{-19} C$. This is typically used for very small amounts of charge. In essence, this is how many electrons would it take to make that amount of charge. |
==== Lecture Video ==== | ==== Lecture Video ==== |