Electric Fields and Electric Field Lines

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What property is expressed by the value of E in the electric field?

Electric charge

Electric potential

Electric field strength (correct)

Electric current

Which of the following is a rule for drawing electric field lines?

Electric field lines can cross each other.

Field lines never intersect conductors. (correct)

Field lines always point towards positive charges.

The density of field lines decreases towards positive charges.

What is the electric flux?

The number of electric lines of force per unit charge

The magnitude of the electric field

The rate of flow of the electric field through a given area (correct)

The total charge enclosed by an arbitrary surface

How do electric field lines interact with positive and negative charges?

They point towards positive charges and away from negative charges. (D) Signup and view all the answers

In which direction do stronger electric fields have their field lines?

Closer together (A) Signup and view all the answers

What is the electric flux through a surface?

$\oint \vec{E} \cdot d\vec{A}$ (C) Signup and view all the answers

What is the relationship between electric field (E) and the total area (A) of a surface if the electric field is perpendicular to the surface?

The electric flux is the product of E and A. (C) Signup and view all the answers

What happens to the electric flux if the electric field (E) is parallel to the surface?

The electric flux is zero. (C) Signup and view all the answers

According to Gauss's law, what is the relationship between the electric flux through a closed surface and the total electric charge inside that surface?

The electric flux is proportional to the total electric charge inside the surface. (C) Signup and view all the answers

According to Gauss's law, how does the shape and size of the closed surface affect the electric flux?

The electric flux is independent of the shape and size of the closed surface. (A) Signup and view all the answers

If the electric field (E) makes an angle with the direction normal to a surface, how does this affect the electric flux?

The electric flux is proportional to the component of E perpendicular to the surface. (A) Signup and view all the answers

How does the electric flux through a closed surface depend on the net electric charge inside the surface, according to Gauss's law?

The electric flux is directly proportional to the net electric charge inside the surface. (A) Signup and view all the answers

According to the Law of Conservation of Charges, which of the following statements is true?

Charge is not created nor destroyed, only transferred between bodies. (D) Signup and view all the answers

What does Coulomb's Law state regarding the force between two charged objects?

Force is directly proportional to the product of the charges and inversely proportional to the distance squared. (D) Signup and view all the answers

In the context of electric fields, what is an electric property associated with each point in space?

Electric field (C) Signup and view all the answers

Which mode of charging involves an object gaining electrons to become negatively charged?

Charging by Friction (A) Signup and view all the answers

If two objects have like charges, what interaction do they experience according to the text?

They repel each other (D) Signup and view all the answers

When charge is present in any form, what property arises for each point in space according to the text?