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2 cards from this section. Quick, good the night before a test.
What is a dipole?
Think about it as two charges belonging to one entity.
Define dipole moment.
Remember, it involves both charge and distance.
What happens to a dipole in a uniform electric field?
Remember the behavior of dipoles in fields discussed earlier.
The induced dipole moment will always align opposite to the charge inducing it.
Think about how a positive and negative charge interact.
Two dipoles are placed in a uniform field at angles of 60° and 120°. Calculate the torques acting on them.
Remember to find the sine of the angles first!
A charged object induces a dipole in a nearby neutral object. If the distance increases, how does the induced moment change?
Think about the inverse square law for distances.
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