12 Questions
What is an electric field line?
An imaginary line drawn through a region of space with its tangent in the direction of the electric field vector.
Why can two electric field lines never intersect?
To maintain the unique direction of the electric field at any point.
Define electric field intensity.
The electrostatic force acting per unit positive charge in the field.
What is electric potential?
The work done per positive charge in moving it from infinity to a point in the electric field.
What is an equipotential surface?
An imaginary surface where all points have the same electric potential.
What is electric flux?
Electric flux over an area is the total number of electric field lines crossing that area.
What is the value of 1 / 4πεo in N-m^2/C^2?
8.99 x 10^9 N-m^2/C^2
What is the formula for the electrostatic force of interaction between two stationary charges?
F = 1 / 4πεo * q1q2 / r^2
How is the permittivity of a medium related to εo?
ε = εoK or εoεr or ε
What is the dielectric constant for air or vacuum?
K = 1
In vector form, what is the relationship between the force on q1 due to q2 and the force on q2 due to q1?
F12 = - F21
What is the electric field?
The space in the surrounding of any charge in which its influence can be experienced by other charges.
Explore Coulomb’s Law of Electrostatics which describes the electrostatic force of interaction between two stationary charges. Learn about the formula, constants involved, and how to calculate the force between charges.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
