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Electric Dipole Field Lines
AP Physics 2 · Unit 10 Electrostatics
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Learning Objectives
Visualize electric field lines of a dipole
Understand field lines go from + to −
Observe equipotential lines ⊥ field lines
Calculate dipole moment p = qd
Key Concepts
E-field lines: + → −
Never cross each other
Density = field strength
p = qd (dipole moment)
Tags
electric dipole
field lines
equipotential
AP Physics 2
Dipole moment
0 C·m
Charge magnitude (μC)
3.0
Separation d (cm)
6.0
Field Lines Count
12
Display
Field Lines
Equipotentials
Vector Field
Quick Quiz
Electric field lines always start from:
Positive charges
Negative charges
Both equally
Neither