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Questions and Answers
What is the SI unit for electric dipole moment?
What is the SI unit for electric dipole moment?
- Newton-meter (Nâ‹…m)
- Coulomb-meter (Câ‹…m) (correct)
- Joule-second (Jâ‹…s)
- Volt-ampere (VA)
How are real dipoles different from the theoretical definition?
How are real dipoles different from the theoretical definition?
- They have separated charge (correct)
- They have no separation of charges
- They are always pointlike objects
- They have no overall polarity
What is the debye (D) in relation to electric dipole moment?
What is the debye (D) in relation to electric dipole moment?
- Another unit of measurement used in atomic physics and chemistry (correct)
- A measure of magnetic field strength
- A unit used in mechanical engineering
- A measure of electric potential energy
How are point charges related to electric dipoles?
How are point charges related to electric dipoles?
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What is the direction of the electric dipole moment for two point charges?
What is the direction of the electric dipole moment for two point charges?
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Study Notes
Electric Dipole Moment
- The SI unit for electric dipole moment is Coulomb-meter (C·m).
Real Dipoles vs. Theoretical Definition
- Real dipoles are different from the theoretical definition because they have a finite size, whereas theoretical dipoles are considered point dipoles.
Debye (D)
- Debye (D) is a unit of measurement for electric dipole moment, where 1 Debye is equivalent to 3.33564 × 10^-30 C·m.
Point Charges and Electric Dipoles
- Point charges are related to electric dipoles because two equal and opposite point charges separated by a small distance form an electric dipole.
Direction of Electric Dipole Moment
- The direction of the electric dipole moment for two point charges is from the negative charge to the positive charge.
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