17 Questions
What is the electric field defined as?
A region of space in which an electric experiences a force
Who introduced the concept of 'lines of force' to visualize the electric field?
Michael Faraday
What can be said about the direction of the lines in the electric field?
The direction is the same as the field's direction
What does a test charge represent in an electromagnetic field?
An imaginary point charge used to investigate single-particle dynamics
What do arrows on the field lines indicate?
They indicate the direction of the electric field, away from positive charges and towards negative charges
What does a point charge represent in terms of charge distribution?
A charge distribution with a value at only a single point
What is the direction of the electric field at the location of a positive test charge when a charge of 6𝜇𝐶 exerts a force of 2.4𝑥10−4 N towards the right side?
Radially inwards towards the positive charge
In which direction do field lines tend to be drawn closer together?
Where the field is stronger
If a charge of 6𝜇𝐶 exerts a force of 2.4𝑥10−4 N on a test charge, what is the magnitude of the electric field at that location?
40 N/C
What is the direction of the electric field at a location 0.10m to the left of a -4.2𝜇𝐶 charge?
Towards the left
If a charge of 6𝜇𝐶 exerts a force of 2.4𝑥10−4 N on a test charge, what would happen to the force if the distance between them is doubled?
Force is halved
How does the direction of the electric field change as you move farther away from a negative charge?
Reverses direction
What is electric flux a measure of?
Flow of electric field through a surface
What is the formula for electric flux?
ɸ = E * A
How is electric flux related to the number of electric field lines penetrating a surface?
Directly proportional
What is the angle 𝜃 in the formula for electric flux?
Angle between electric field lines and surface
How is electric flux affected by the cosine of the angle 𝜃?
It decreases as cosine 𝜃 decreases
Explore the concept of electric field as a region of space where an electric charge experiences a force. Learn about visualizing electric fields with lines of force, determining field strength, magnitude of test charge, and applying Coulomb's Law to calculate electric field strength.
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