5.3 - Electric Field Due to Dipole
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Practice Questions
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What is an electric dipole?
💡 Hint: Think about opposite charges placed near each other.
Write the formula for the dipole moment.
💡 Hint: It involves the charge and distance between charges.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What characterizes an electric dipole?
💡 Hint: Think about the definition of dipoles.
The dipole moment is a vector quantity.
💡 Hint: Recall the definition of vector quantities.
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Challenge Problems
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A dipole consisting of charges 2 µC and -2 µC is separated by a distance of 0.02 m. Calculate the dipole moment. Then find the electric field strength at a point 0.5 m away on the axial line.
💡 Hint: Break it down into two parts: find the dipole moment first, then apply the axial electric field formula.
If a dipole separated by a distance of 0.1 m has an electric field of 3 × 10⁶ N/C at a point on its axial line, what is the dipole moment?
💡 Hint: Remember to rearrange the formula for dipole moment after substituting known values.
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