Podcast
Questions and Answers
What is an electric dipole?
What is an electric dipole?
- A single point charge
- A pair of equal and opposite point charges (correct)
- Multiple point charges with varying magnitudes
- A pair of similar point charges
Where is the centre of an electric dipole located?
Where is the centre of an electric dipole located?
- At one of the charges
- At an arbitrary point in space
- At infinity
- Mid-point between the two charges (correct)
Why is the total charge of an electric dipole zero?
Why is the total charge of an electric dipole zero?
- Because the distance between the charges is zero
- Because the charges are different in magnitude
- Because the charges are equal and opposite (correct)
- Because the charges are equal and same
What happens to the electric field of an electric dipole at large distances?
What happens to the electric field of an electric dipole at large distances?
Where are the electric field results simple when considering an electric dipole?
Where are the electric field results simple when considering an electric dipole?
What happens to the electric fields due to the separated charges in an electric dipole at large distances?
What happens to the electric fields due to the separated charges in an electric dipole at large distances?
What is the formula for the electric field at a point on the axis of a dipole?
What is the formula for the electric field at a point on the axis of a dipole?
In what scenario does the dipole field at large distances not involve the charge q and separation a separately?
In what scenario does the dipole field at large distances not involve the charge q and separation a separately?
What is the formula for the electric field at a point on the equatorial plane of a dipole?
What is the formula for the electric field at a point on the equatorial plane of a dipole?
What is the formula for the dipole moment vector of an electric dipole?
What is the formula for the dipole moment vector of an electric dipole?
At what point does the magnitude of the dipole field depend only on the distance r?
At what point does the magnitude of the dipole field depend only on the distance r?
Which formula represents the electric field at a point on the axis of a dipole at large distances?
Which formula represents the electric field at a point on the axis of a dipole at large distances?
